This Solicitation opportunity from Department Of Defense was posted on April 21, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Solicitation - Submarine High Data Rate (SubHDR) LN-100 Mast Motion Sensor (MMS) Repair, Restoration and Replacement Services

Closed

N6660426R0086Federal

Submission Closed05/20/2026, 06:00:00 PM UTC

Contract Overview

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AI Contract Overview

The Naval Undersea Warfare Center, Division Newport, Rhode Island, plans to award a sole source indefinite delivery/indefinite quantity contract to Northrop Grumman Systems Corporation for depot-level services related to the Submarine High Data Rate Mast Motion Sensor (MMS). This contract includes repair, calibration, overhaul, and manufacturing of long lead Shop Replaceable Units to support the SubHDR National Maintenance Center and sustain the operational capability of submarine mast systems. The contract will utilize a combination of Cost-Plus-Fixed-Fee, Firm-Fixed-Price, and Cost Reimbursement pricing structures to meet the Fleet’s complex requirements. This procurement follows a previous contract (N66604-21-D-B000) with Northrop Grumman and falls under NAICS code 334511 with a small business size standard of 1,350 employees. The solicitation (N6660426R0086) was posted on April 21, 2026, with a response deadline of May 20, 2026. The contract is managed by the Department of Defense’s Naval Undersea Warfare Center, located in Newport, RI, and is not open to competition. Points of contact for the solicitation include Kate Cyr and Levi Andrews.

General Info

Sole source contract awarded to Northrop Grumman for submarine mast sensor repair and maintenance.

Agency

Department Of Defense → Nuwc Division NewportView Agency

NAICS

334511 - Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument ManufacturingView NAICS

Place of Performance

Newport, RI, 02841, USA

Set-Aside

NONE

Documents

(8)

Exhibit+A+-+CDRLs.pdf

PDF

N6660426R00850002.pdf

PDF

N6660426R00850001.pdf

PDF

Attachment+2+-+Government+Furnished+Property.pdf

PDF

Attachment+1+-+Pricing+Tables.docx

DOCX

Attachment+4+-+NUWCDIVNPT+Cost+Proposal+Spreadsheet.xlsx

ZIP

Solicitation+-+N6660426R0085.pdf

PDF

Attachment+3+-+Performance+Requirements+Summary+Table+%28PRST%29.pdf

PDF

AI Contract Breakdown

Uniform Contract Format

Timeline

2 updates

PhaseClosed

PostedNov 25

Solicitation

Amendment 1Feb 12

Contract was updated

Amendment 2Apr 21

Contract was updated

Response DeadlineMay 20

Deadline has passed

Submission Closed

05/20/2026, 06:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → Nuwc Division Newport

Contacts2 people available

OfficeNEWPORT, RI, 02841-1703, USA

Organization / Agency

Department Of Defense → Nuwc Division Newport

View Agency Profile

Office AddressNEWPORT, RI, 02841-1703, USA

Contacts

Kate Cyr

Levi Andrews

Full Description

The Naval Undersea Warfare Center, Division Newport, RI (NUWCDIVNPT) intends to award a Cost-Plus-Fixed-Fee (CPFF), Firm-Fixed-Price (FFP), and Cost Reimbursement (CR) indefinite delivery/indefinite-quantity (IDIQ) contract on a sole source basis to Northrup Grumman Systems Corporation (hereafter referred to as “NGSC”). This requirement is for Submarine High Data Rate (SubHDR) Mast Motion Sensor (MMS) depot level (D-level) services, inclusive of the repair, calibration, overhaul and manufacture of long lead MMS Shop Replaceable Units (SRUs), to support the NUWCDIVNPT Code 34 SubHDR National Maintenance Center (NMC). Depot level services are required to sustain operational capability for the Fleet’s complex mast systems.

This requirement is a follow-on to N66604-21-D-B000 with NGSC. The North American Industrial Classification System (NAICS) Code is 334511. The Small Business Size Standard is 1,350 employees.

A Pre-Solicitation Request for Information/Synopsis for this requirement was posted on SAM.gov on 15 April 2025 under Notice ID N6660425R0411.

This solicitation is not a request for competitive proposals.This proposed contract action is being processed on a sole source basis.
See attached solicitation N6660426R0086 and corresponding attachments.