48--SEAT,VALVE
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 Valve Seats (NSN 4810) for crucial shipboard systems. This requirement is designated as SPECIAL EMPHASIS material due to the high probability of failure leading to serious injury or loss. Proposals are due March 23, 2026.
Scope of Work
This solicitation requires the manufacture and delivery of seats for 1 1/2 & 2 Inch Ball Valves in accordance with Newport News Shipbuilding Drawing 255584, Piece 19. The material specified is Delrin: Dupont AF DE588 (Teflon Filled Acetal), which must meet stringent chemical and mechanical properties, including specific gravity, melting point, tensile strength, and Teflon fiber content. Visual and dimensional inspections are critical, with specific criteria for Teflon string inclusions and seat stack height measurements.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 4810 (Valves, Powered)
- Response Due: March 23, 2026, 20:30 UTC
- Published: March 13, 2026
Key Requirements
Contractors must adhere to a comprehensive quality system, including ISO-9001, ISO-10012, ANSI-Z540.3 with ISO-17025, and MIL-I-45208. Strict traceability and certification are mandatory for all materials, requiring unique heat-lot/batch numbers and permanent marking on seats (MIL-STD-792, Type I or IX), except for Teflon seats which are tagged. A Certificate of Compliance is required for all SPECIAL EMPHASIS material, detailing adherence to specifications and drawings. All certification data must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard (Ship to N50286, Inspect by N39040, Accept by N39040), with email notification to PORT_PTNH_WAWF_Notification@navy.mil. No material is to be shipped prior to Government acceptance. The requirement also prohibits mercury and mandates specific configuration control procedures for waivers, deviations, and Engineering Change Proposals (ECPs).
Additional Notes
A NOFORN drawing is associated with this requirement and is accessible via SAM.gov. The Portsmouth Naval Shipyard's DODAAC has changed to N50286. MIL-STD 2073 packaging applies.