ELBOW, TUBE

The contract calls for the procurement of 293 units of a 90-degree steel elbow fitting with a zinc chromate finish or suitable alternative material, featuring a 3\/8 inch outer diameter tube size with male and female 37-degree flared threaded connections and a swivel nut, compliant with specification MS51521D and referenced SAE J514\/1 standard. Delivery is required FOB Origin with inspection and acceptance occurring at the destination location, Robins Air Force Base, Georgia, within 161 days of award, with a firm delivery date of January 26, 2027, and an original deadline of March 27, 2027. The item is identified by NSN 4730-01-223-0529 and is classified as a critical application item, requiring strict adherence to dimensional, functional, and material standards. Packaging must conform to MIL-STD-2073-1E with preservation method 10, dry cleaning only, no chemical preservation, and unit packaging as BE with intermediate container D3; all markings must comply with MIL-STD-129 using the special marking code 00 indicating no additional markings are required, and palletization must meet DLA packaging requirements. Sampling for quality assurance follows MIL-STD-1916 or ASQ H1331 Table 1 with zero non-conformances required in the sample lot; critical, major, and minor attributes are assigned AQLs of 0.1, 1.0, and 4.0 respectively, and unspecified attributes are treated as major. The item is exempt from mercury and mercury compounds except for specific approved applications such as batteries, sensors, and instruments defined by NAVSEA, and portable mercury-containing devices must have shock-proof construction with a secondary containment. Class I ozone-depleting chemicals are strictly prohibited. Full and open competition applies, with no set-aside. The contract incorporates multiple Far and DFARS clauses including hazardous material identification, safeguarding defense information, trafficking in persons, employment eligibility verification, cyber incident reporting, and prohibitions on hexavalent chromium and toxic materials. Offerors must provide a Unique Entity Identifier and certify their size status and socioeconomic category through SAM, and must submit Safety Data Sheets for any hazardous materials. All proposals must be submitted electronically through DIBBS by August 17, 2026, and must include compliance with all