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 Mech) has issued a Solicitation for Valve Seats (Product Service Code 4820). This opportunity is for the procurement of specialized valve seats, designated as Special Emphasis Material (Level I/SUBSAFE), requiring stringent quality control and traceability. Proposals are due by April 27, 2026.
Scope of Work
This solicitation covers the supply of valve seats in accordance with Naval Sea Systems Command Drawing 7284884, piece 43. Key requirements include:
- Material: Torlon 4503, 4203, or 4203L (unfilled polyamide-imide) per Electric Boat Specification 4147.
- Cleaning: Oxygen cleaning per MIL-STD-1330.
- Marking: Permanent marking per MIL-STD-792, Type I or IX (except Teflon seats).
- Traceability: Maintained from material to certification test reports for Level I/SUBSAFE systems.
- Mercury Free: Material must be free of mercury and mercury-containing compounds.
Quality Assurance & Submission
Contractors must provide and maintain a quality system compliant with ISO-9001, amplified by ISO-10012 or ANSI-Z540.3 with ISO-17025. Government Quality Assurance (GQA) at the source is required, with facilities subject to audit. Certification data, including Certificate of Compliance (CDRL DI-MISC-80678), must be submitted to Portsmouth Naval Shipyard via Wide Area Workflow (WAWF) for review and acceptance prior to each shipment. No material is to be shipped before acceptance.
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business Set-Aside (FAR 19.5)
- Response Due: April 27, 2026, 8:30 PM UTC
- Published: April 1, 2026
Additional Notes
The solicitation includes detailed requirements for configuration control, waivers/deviations, engineering change proposals (ECPs), material handling, receiving inspection, and discrepancy reporting. Packaging must comply with MIL-STD 2073.