48--VALVE,RELIEF,PRESSU
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 the procurement of a Relief Valve Assembly (NSN 4820). This is a high-priority procurement for the Level One program, designated as SPECIAL EMPHASIS material for crucial shipboard systems where failure could result in serious injury, loss of life, or loss of vital systems. Proposals are due by June 19, 2026.
Scope of Work
The requirement is for a Relief Valve Assembly in accordance with Vacco drawing V3D10437, part number V3D10437-03, with specific amplifications and modifications. Key requirements include:
- Oxygen Cleaning per MIL-STD-1330.
- Material Certification for parts like the Body (SAE AMS 5643, Condition H-1025).
- Testing Certification for Production Testing (each valve) and Non-Destructive Tests (weld repair/production weld).
- Detailed specifications for spring setting, pressure tolerance, O-ring inspection, and thread inspection (FED-STD-H28 series).
- Welding and Brazing must adhere to specific Navy standards (S9074-AR-GIB-010A/278, 0900-LP-001-7000, S9074-AQ-GIB-010/248), with procedures and qualification data requiring prior approval.
- Mercury-free materials are mandatory.
Quality Assurance & Traceability
Contractors must maintain a quality system in accordance with ISO-9001 (or MIL-I-45208) and calibration systems per ISO-10012 or ANSI-Z540.3 with ISO-17025 (or MIL-STD-45662). Extensive traceability and certification requirements are in place for all materials, including unique traceability numbers, heat-lot numbers, and material marking per MIL-STD-792. All certifications and test reports must be 100% inspected for completeness and legibility. Government Quality Assurance at source will be performed, with DCMA QAR involvement.
Contract & Timeline
- Type: Solicitation
- Set-Aside: None specified
- Product Service Code: 4820 (Valves, Nonpowered)
- Response Due: June 19, 2026, 8:30 PM EDT
- Published: May 20, 2026
Submission & Contact
Certification data must be submitted to Portsmouth Naval Shipyard via Wide Area Work Flow (WAWF) for review and acceptance prior to each shipment. Waivers/deviations and Engineering Change Proposals (ECPs) require PCO approval. The ECDS (Electronic Contractor Data Submission) system is available for certain data submissions and inquiries. For questions, contact STEPHEN.A.KNOX.CIV@US.NAVY.MIL or call 717-605-6805.