BALL AND SEAT SET
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 Ball and Seat Sets for a 3-inch Ball Valve. This procurement is designated as Special Emphasis material (Level I, Scope of Certification, or Quality Assured) due to its crucial role in shipboard systems, requiring stringent quality control. This is a Total Small Business Set-Aside opportunity. Proposals are due by July 28, 2026.
Scope of Work
The requirement is for one Ball (Piece 55LI, Drawing 7285198) and two matching Seats (Piece 13, Drawing 7285297). The Ball material must be SAE-AMS-6931 or centrifugally cast 6AL-4V, ASTM-B367, Grade C-5. Seats require MD71-GG Mearthane from Mearthane Products Inc., Cranston, RI, meeting specific physical properties. All materials must satisfy toxicity and flammability requirements of NAVSEA SS800-AG-MAN-010/P-9290.
Key Requirements
- Testing & Certification: Required for hydrostatic tests (1050 PSI for 30 mins) or dye penetrant inspection for Balls. Certifications are needed for chemical and mechanical analysis of materials, with specific requirements for metallic and non-metallic components. All certification data must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard (N50286 Ship to, N39040 Inspect/Accept by).
- Quality Assurance: Contractors must maintain a quality system compliant with ISO-9001 (or MIL-I-45208) and calibration systems per ISO-10012 or ANSI-Z540.3 with ISO-17025 (or MIL-STD-45662). Government Quality Assurance at source is required, with DCMA notification upon award.
- Traceability: Strict traceability is mandated from material to certification test reports, with unique traceability numbers marked on materials. This includes specific marking requirements for Balls and Seats, and procedures for maintaining traceability through all manufacturing and subcontracted operations.
- Welding: If applicable, welding procedures and qualification data must be submitted for review and approval prior to any production or repair welding.
- Configuration Control: Contractors 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
- Published: June 15, 2026
- Response Due: July 28, 2026, 8:30 PM EDT
- Priority Rating: This is a "DO" rated order certified for national defense use under the Defense Priorities and Allocations System (DPAS).
Additional Notes
Access to drawings must be requested on the SAM.gov solicitation page, followed by an email to the Primary POC. Portsmouth NSY's DODAAC has changed to N50286. All contractual documents are considered "issued" upon deposit in mail, fax, or electronic transmission. Final material delivery is required on or before 365 days after the contract's effective date.