VALVE,STOP AND STOP
Overview
Buyer
Place of Performance
NAICS
PSC
Set Aside
Original Source
Timeline
Qualification Details
Fit reasons
- NAICS alignment with historical contract wins in similar service areas.
- Scope strongly matches core technical capabilities and delivery model.
Risks
- Past performance thresholds may require one additional teaming partner.
- Potential clarification needed on staffing minimums before bid/no-bid.
Next steps
Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.
Quick Summary
The Department of the Navy, NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the manufacture of 1/2 Inch IPS, Seawater Service, Socket Weld End Connections, Stop Check Valves. This procurement is for the Level One Program, involving crucial shipboard systems and designated as SPECIAL EMPHASIS material. The solicitation is a Total Small Business Set-Aside. Proposals are due by April 30, 2026.
Scope of Work
This opportunity requires the manufacture of specific stop check valves according to NAVSEA Drawing 803-5959306 assembly 803-5959306-T-121 and associated Engineering Reports. The Government will supply NSN 1H9510-01-495-9543X2 for the manufacture of stems and discs, requiring the contractor to maintain heat traceability throughout production. The scope includes detailed material requirements for components like the Bonnet, Union-Bonnet Ring, Stem, Disc, and Body-Stop Check Valve, specifying various ASTM and SAE standards.
Key Requirements & Quality Assurance
The contract mandates extensive testing and certification, including Dye Penetrant Inspection, Ultrasonic Inspection, Pressure Tests, and Non-Destructive Tests. A First Article Test (FAT) and approval are required. Contractors must maintain a quality system compliant with ISO-9001 (with ISO-10012 or ANSI-Z540.3/ISO-17025 calibration) or an acceptable alternate (MIL-I-45208 with MIL-STD-45662). Government Quality Assurance (GQA) at source will be performed, requiring DCMA notification. Traceability and Certification are paramount for Level I/SUBSAFE systems, demanding accurate material certification reports and permanent material marking per MIL-STD-792. A Certificate of Compliance for Special Emphasis Material is required, detailing contractor information, NSN, and confirming the use of Government-supplied materials. Welding, brazing, and allied processes must adhere to specific NAVSEA technical publications, with personnel and procedures qualified accordingly.
Contract & Timeline
- Type: Solicitation (Rated order for national defense use under DPAS)
- Set-Aside: Total Small Business
- Response Due: April 30, 2026, 8:30 PM EDT
- Published: May 5, 2026 (Last updated date)
- Department/Agency: Department of the Navy, NAVSUP Weapon Systems Support Mechanicsburg
- Product Service Code: 4820 (Valves, Nonpowered)
Important Notes
Drawings, including NOFORN and confidential ones, are accessible via SAM.gov, with a DD254 required for confidential drawings. Past performance will be a factor in evaluation. Partial and early delivery is authorized and desired. All certification data and documentation must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard for review and acceptance prior to shipment, following specific "Ship to," "Inspect by," and "Accept by" codes. Contact MICHAEL.E.THOMAN2.CIV@US.NAVY.MIL for inquiries.