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, specifically NAVSUP WEAPON SYSTEMS SUPPORT MECH, is soliciting proposals for a VALVE,STOP AND STOP for crucial shipboard systems. This is a Total Small Business Set-Aside opportunity for Special Emphasis (Level I) material, requiring stringent quality control and traceability. Proposals are due by April 8, 2026.
Scope of Work
This procurement is for a 1/2 Inch IPS, Seawater Service, Socket Weld End Connections, Stop Check Valve, to be manufactured in accordance with NAVSEA Drawing 803-5959306 and associated Engineering Reports. Key requirements include specific material certifications for components like the Bonnet (ASTM-B381), Union-Bonnet Ring (ASTM-B150), Stem and Disc (SAE AMS 4931, with NSN 1H9510-01-495-9543X2 supplied by the Government), and Body (ASTM-B564). Extensive testing is mandated, including Dye Penetrant, Ultrasonic, and Pressure Tests, with specific performance and acceptance criteria. Welding, brazing, and internal thread formation must adhere to detailed military standards. The contractor must maintain total equipment baseline configuration and submit Engineering Change Proposals (ECPs) for Class I or II changes.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Response Due: April 8, 2026, 8:30 PM EST
- Published: January 23, 2026
- Product Service Code: 4820 (Valves, Nonpowered)
Quality Assurance & Evaluation
This is a rated order certified for national defense use under the Defense Priorities and Allocations System Regulation. The award will be issued bilaterally, requiring contractor acceptance. NAVSUP WSS will consider past performance in the evaluation. Contractors must provide and maintain a quality system in accordance with ISO-9001 (or MIL-I-45208) and calibration systems per ISO-10012 (or MIL-STD-45662). Strict traceability and certification requirements apply to all Level I/SUBSAFE materials, with certifications submitted via WAWF to Portsmouth Naval Shipyard. Government Source Inspection (GSI) may be performed by DCMA. Partial and early delivery is authorized and desired.
Additional Notes
Drawings, including NOFORN and confidential documents, are accessible via sam.gov, with a DD254 required for confidential drawings. Thread lubricants containing molybdenum disulfide are prohibited; anti-galling compound A-A-59004 must be used. Mercury and mercury-containing compounds are strictly prohibited. Electronic signatures on certification documents are acceptable under specific control procedures.