Top

Nathaniel Ventura

Nathaniel Ventura is a government contact. Nathaniel is associated with 23 contracts. Activity spans Other Metal Valve and Pipe Fitting Manufacturing, Mechanical Power Transmission Equipment Manufacturing, and Other Engine Equipment Manufacturing.

Person Profile

Contracting officer information and contact details

Nathaniel Ventura

contact@example.gov

Phone

+1 (555) 000-0000

Last seen

Sep 29, 2026

Most recent solicitation activity

Role Type

Primary

Related Contract Opportunities

Active solicitations and awarded contracts associated with this contracting officer.

Showing 1 - 10 of 23 contracts

Federal2

Match Quality

Strong

BOLT,MACHINE

Solicitation N0010426QFG16 is issued by NAVSUP Weapon Systems Support Mechanicsburg for the procurement of seven machine bolts, designated as Special Emphasis material due to their use in crucial shipboard systems. The items must be manufactured from ASTM-A193 Grade B7 material and conform to Leslie Controls Inc. drawing 21844N. Due to the critical nature of the hardware, the contract mandates stringent quality assurance, including quantitative chemical and mechanical analysis, liquid penetrant or magnetic particle inspection per T9074-AS-GIB-010/271, and thread inspection according to FED-STD-H28. The award will be made to a single responsible offeror based on a combination of price and past performance, with past performance weighted as the more important factor. The contract is a DO-rated order for national defense use under the Defense Priorities and Allocations System. Deliveries are FOB Destination to the Portsmouth Naval Shipyard in Kittery, Maine, with a final delivery deadline of 365 days after the contract's effective date. Key administrative requirements include the use of the Wide Area Workflow (WAWF) for invoicing and the submission of certification data for review and acceptance prior to shipment. The contractor must maintain a quality system compliant with ISO-9001 and provide a Certificate of Compliance per CDRL DI-MISC-80678. Government Quality Assurance will be performed at the source, and the contractor is required to provide one additional fastener per heat/lot for traceability purposes. The solicitation close date is November 24, 2026.

Department Of DefensePA,

NAICS

332722

Bolt, Nut, Screw, Rivet, and Washer Manufacturing

PSC

5306

Hardware and Abrasives

Posted Oct 29, 2026

N0010426QFG16

25d left

Federal2

Solicitation N00104-26-Q-FE93 is a fixed-price request for quotations issued by NAVSUP Weapon Systems Support Mechanicsburg for the procurement of a Ball Valve (NSN 4820-01-111-8536). The material is designated as Special Emphasis Level I, meaning it is used in crucial shipboard systems where failure could result in serious personnel injury, loss of life, or loss of the vessel. Due to this criticality, the contract mandates rigorous quality assurance, including a one-year warranty from the date of delivery and strict adherence to ISO 9001 or MIL-I 45208 quality systems. The delivery schedule is set for 365 days after the effective date of the contract, with terms specified as FOB Destination. The procurement involves high-level technical requirements, including the use of specific materials such as ASTM B150 Alloy C63200 and QQ-N-286, and requires comprehensive testing certifications for non-destructive evaluation, ultrasonic inspection, and hydrostatic pressure tests. Contractors must maintain absolute material traceability from raw stock to the finished component, utilizing permanent markings per MIL-STD-792. Additionally, the contract requires authorized access to confidential documents via DD Form 254. Award will be made to a single responsible offeror based on the most advantageous offer, with past performance weighted as more important than price. The submission deadline for quotations has been extended to November 2, 2026.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Sep 29, 2026

N0010426QFE93

3d left

Federal2

Solicitation N00104-26-Q-FE55 is a firm-fixed-price request for quotations for the procurement of STEM material, designated as Special Emphasis Level I material for use in critical shipboard systems. Due to the high risk associated with defective material, the contract mandates strict quality control procedures, including 100 percent inspection of traceability markings, certification test reports, and non-destructive testing. The procurement is a 100 percent small business set-aside, with an offer receipt deadline of September 8, 2026. Award decisions will be based on a trade-off process where past performance, evaluated via the Supplier Performance Risk System, is considered more important than price. Technical requirements specify that the stem must conform to Naval Sea Systems Command Drawing 4558766, with specific prohibitions against weld repairs on QQ-N-286 material. The contractor must maintain a quality system compliant with ISO 9001 and provide a Certificate of Compliance ensuring full traceability to individual item markings. Delivery is scheduled for 365 days after the effective date of the contract, with certification data submitted via Wide Area Workflow to Portsmouth Naval Shipyard for review and acceptance prior to shipment. The contract also imposes strict requirements regarding mercury-free materials, configuration control through Engineering Change Proposals, and adherence to MIL-STD-129 and MIL-STD-2073 for marking and packaging.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Sep 2, 2026

Small BusinessN0010426QFE55

Closed

Federal1

Solicitation NO0104-26-Q-FC92 is for the procurement of a fluid valve stem (NSN 7540-01-152-8070) to be used in a crucial shipboard system. Due to the critical nature of the hardware, the material is designated as Special Emphasis material, meaning that incorrect or defective parts could lead to serious personnel injury or loss of the ship. The contract requires strict adherence to quality assurance standards, including ISO-9001 and specific military specifications such as MIL-DTL-24252 for material composition and MIL-STD-2132 for dye penetrant inspection. The procurement is a DO rated order certified for national defense use under the Defense Priorities and Allocations System. The requirement involves highly sensitive technical data, specifically Not Releasable to Foreign Nationals (NOFORN) and Naval Nuclear Propulsion Information (NNPI). Contractors must comply with NN-801, NN-817, and OPNAVINST N9210.3 to ensure the protection of this information. Key deliverables include the hardware and comprehensive certification data, which must be submitted via Wide Area Workflow (WAWF) for review and acceptance by the Portsmouth Naval Shipyard prior to shipment. The proposed delivery schedule specifies that final material delivery must occur within 365 days of the contract's effective date, with certification data submitted at least 20 days before the scheduled delivery.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Aug 25, 2026

Total Small Business Set-AsideN0010426QFC92

Closed

View Source

Federal1

Match Quality

Strong

VALVE, LINEAR, DIRECT

Solicitation N0010426QFG71 is a request for quotations issued by the Department of Defense, specifically NAVSUP Weapon Systems Support Mechanicsburg, for the procurement of three linear direct valves under NSN 7HH 4820-01-216-1594 L1. This fixed-price acquisition is open for responses until September 21, 2026. The government intends to make a single award based on the most advantageous offer, with past performance weighted as more important than price. Offerors must provide a Quality Assurance Manual and may be evaluated using the DoD Supplier Performance Risk System. The contract includes rigorous technical and quality requirements, including quantitative chemical and mechanical analysis for various valve components, dye penetrant inspection per ASTM-E1417, and pressure test certifications per ATP24762. Inspection and acceptance will occur at the origin. Packaging must adhere to MIL-STD-2073-1 and MIL-STD-129, with specific requirements for OCONUS shipments and potential oxygen clean standards per MIL-STD-1330. Administrative requirements include electronic invoicing via the Wide Area Workflow system and compliance with Buy American and cybersecurity regulations.

Department Of DefensePA, USA

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Aug 25, 2026

N0010426QFG71

Closed

Federal1

The contract is a solicitation issued by the Department of Defense through the Navsup Weapon Systems Support Mech office, located in Mechanicsburg, PA, seeking to purchase 304 units of a specific valve seat (NSN: 1HM 4820-01-068-4692 Q3). The solicitation number is N0010426QFD24, and it was posted on April 13, 2026, with a response deadline set for May 26, 2026. This procurement is designated as a Total Small Business Set-Aside under FAR 19.5, targeting small businesses within the NAICS code 332919, which pertains to metal valve manufacturing. The contract involves the acquisition of the SEAT, VALVE component and is managed by an office within the Navy's supply chain support structure. Interested small business vendors are encouraged to respond before the deadline to participate in this opportunity. The primary point of contact for the solicitation is LT Nathaniel Ventura, who can be reached via email for further details or clarifications. The full solicitation and associated documents are accessible through the official government contracting portal.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Aug 14, 2026

SBAN0010426QFD24

Closed

Federal1

This contract requires the supply of a specialized parts kit for a size 5-inch ball valve, including a ball and two seats, intended for use in a critical shipboard system where failure could lead to catastrophic consequences including loss of life or the vessel itself. The materials must meet exacting specifications, with the ball fabricated from SAE-AMS-6931 or centrifugally cast 6AL-4V titanium meeting ASTM-B367 Grade C-5 standards, and the seats made from Torlon 4503, 4203, or 4203L polyamide-imide per Electric Boat Specification 4147. Strict certification and traceability protocols are mandated, requiring full chemical and mechanical documentation linked to unique heat or batch codes permanently marked on each component. The ball must undergo hydrostatic or dye penetrant testing with zero tolerance for leakage or deformation, and ultrasonic inspection is required for the starting material. All welding and brazing must comply with S9074-AQ-GIB-010/248 or 0900-LP-001-7000, with procedures and personnel qualifications submitted for Navy approval prior to execution. The contract imposes a comprehensive quality assurance framework requiring ISO-9001 or MIL-I-45208 quality systems, with government oversight at the manufacturer’s facility, and mandates that all certifications be submitted via the Wide Area WorkFlow system to Portsmouth Naval Shipyard for review and acceptance prior to shipment. Material traceability must be maintained from raw stock through every manufacturing and subcontracted operation, with non-metallic parts requiring batch-specific certifications and metallic parts undergoing re-certification if subjected to processing that alters properties. Deliveries are restricted to one year from contract effective date, with no material allowed to be shipped without formal acceptance by the government. The contractor must maintain detailed records of inspections, defects, and corrective actions, and all waivers or deviations require written approval from the Contracting Officer. The requirement is a total small business set-aside, subject to Buy American and security restrictions, and necessitates a facility clearance for access to classified drawings referenced under DD Form 254. All documentation must be electronically submitted through ECDS, and the contractor is bound by mandatory Navy regulations including mercury-free compliance, configuration control, and non-destructive testing standards.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Aug 4, 2026

N0010426QFG15

Closed

Federal1

This contract pertains to the supply of a specialized parts kit for a trash disposal unit ball valve, designated as critical safety material due to its use in a vital shipboard system where failure could result in catastrophic consequences including loss of life or the ship itself. The parts include a ball, upper seat, and lower seat, each subject to stringent material, manufacturing, and inspection requirements. The ball must conform to SAE AMS-6931 or a specific Grade C-5 centrifugally cast 6AL-4V titanium alloy with defined mechanical properties, while the seats must be made exclusively from Mearthane Products Inc.'s MD71-GG graphite-filled urethane, meeting exact hardness, tensile strength, compression, impact, and water absorption standards. All materials require full traceability from raw stock to final component via unique heat-lot or batch markings, permanently applied per MIL-STD-792, with specific marking locations mandated for each part. Certifications for chemical and mechanical properties must be provided for every lot, with no disclaimers allowed, and all test reports must directly link to the physical item through traceability identifiers. The contract mandates comprehensive quality assurance protocols, including ISO-9001 compliance with supporting calibration standards, and requires a formal quality system certified by the Government prior to production. All welding, brazing, and non-destructive testing must adhere to designated Navy specifications such as S9074-AQ-GIB-010/248 and S9074-AR-GIB-010A/278, with procedures and qualifications submitted for advance approval. Hydrostatic testing of each ball is mandatory, with acceptance criteria tied to confidential pressures referenced only by drawing number, and alternative dye penetrant inspection allowed under strict conditions. Final acceptance requires 100% verification of certification documents, traceability markings, and test results, with zero-defect lot acceptance criteria applied. All certifications and documentation must be submitted through the Wide Area Work Flow system to Portsmouth Naval Shipyard using designated DODAACs and email notifications, with no shipment permitted without prior written acceptance. The contract further enforces Buy American provisions, Mercury-free requirements, strict control over subcontractors, and configuration management through Engineering Change Proposals, while requiring all parties to comply with classified document handling protocols per DD Form 254 for Confidential-level data. Delivery is constrained to within 365 days of contract effective date, with certifications due 20 days prior to shipment and review

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4810

Valves

Posted Jul 29, 2026

N0010426QFG03

Closed

Federal1

This contract mandates the supply of a specialized ball valve parts kit designated as SPECIAL EMPHASIS Level I material, critical to the operation of a shipboard system where failure could result in catastrophic consequences including loss of life or vessel. The kit consists of a ball and two mating seats, with strictly defined materials: the ball must be manufactured from SAE-AMS-6931 or centrifugally cast 6AL-4V titanium meeting specified mechanical properties, while the seats must be made exclusively from Mearthane Products Inc.’s MD71-GG Mearthane, with exact hardness, tensile strength, and other physical properties mandated. All materials require full chemical and mechanical certification traceable to unique heat, lot, or batch identifiers permanently marked on the components, with non-metallic seats requiring tagging instead of direct marking. The contractor must maintain an ISO-9001 quality system, validated by MIL-I-45208 or MIL-STD-45662 calibration standards, and must implement rigorous traceability controls from raw material through final assembly, including verification at every subcontracted step. All welds, brazing, and repairs require documented procedures and personnel qualifications, with submittal of weld procedure specifications and qualification data to the Navy before any work begins, and any repairs to castings or forgings require formal waiver approval. Delivery is subject to a strict 365-day timeline from contract effective date, with all certification documentation—including inspection reports, test results, and certificates of compliance—submitted electronically via WAWF to Portsmouth Naval Shipyard (N50286) and reviewed and accepted prior to any shipment. The certification must reference applicable standards, identify traceability markings on each part, and include a signed statement of full compliance without disclaimers or qualifiers, with re-certification required for any process that alters material properties. Government inspection at source is mandatory, with the Defense Contract Management Agency overseeing quality assurance and reviewing non-destructive testing procedures. The requirement is classified as a DO-rated order under the Defense Priorities and Allocations System and falls under a total small business set-aside. Access to classified drawings (Confidential level) may be required post-award, and a facility clearance may be necessary. Material handling, storage, and marking must comply with MIL-STD-792, and any use of mercury or mercury compounds is strictly prohibited. The contract enforces zero-defect acceptance criteria for inspections, 100% verification of certification data, and detailed engineering

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Jul 29, 2026

N0010426QFG01

Closed

Federal1

This contract specifies the procurement of a parts kit for an eight-inch ball valve, with critical components including a ball and two mating seats, for use in a high-risk naval shipboard system designated as SPECIAL EMPHASIS (Level I). The ball must be coated with Alumina-Titania/PTFE per A&A Company’s Navy016 Rev L specification, and each unit must be permanently tagged with a proprietary certification statement. The seats are to be manufactured from MC903 cast nylon, adhering to strict physical and chemical property requirements including melting point, tensile impact, water absorption, and hardness, with no additional certification required from the manufacturer. All materials must maintain full traceability from raw heat to finished component through permanent markings or durable tags, with material certifications tied directly to unique traceability codes. Testing mandates include hydrostatic testing of each ball at confidential pressures with no leakage allowed, or an approved dye penetrant inspection alternative, and rigorous non-destructive and mechanical testing verified by 100% certification reviews. Welding and brazing activities must comply with S9074-AQ-GIB-010/248 and 0900-LP-001-7000, requiring prior approval of procedures and qualification data, with submission of consumable metal certificates. All work must be performed under a certified ISO-9001 quality system with alignment to ISO-10012 and ISO/IEC 17025, or MIL-I-45208 and MIL-STD-45662 as an alternate, and is subject to government quality assurance at the contractor’s facility. The contractor is required to submit comprehensive certification documentation, including test reports and compliance certificates, via the Wide Area Work Flow (WAWF) system to Portsmouth Naval Shipyard prior to shipment, using specific routing and notification instructions. The contract prohibits mercury-containing materials, requires strict configuration control, and defines stringent procedures for waivers, deviations, and engineering change proposals, with all changes needing formal government approval. Nonconforming material will be rejected, and all items are subject to zero-defect acceptance sampling per ANSI/ASQ Z1.4 or equivalent, with full inspection of traceability, chemical/mechanical certifications, and NDT results. The solicitation is for a small business set-aside, governed by Buy American Act provisions, and requires adherence to classified document handling protocols with access restricted to authorized personnel.

Department Of DefensePA,

NAICS

332919

Other Metal Valve and Pipe Fitting Manufacturing

PSC

4820

Valves

Posted Jul 29, 2026

N0010426QFG08

Closed

View Source