STEM
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 the procurement of "Stem" (Product Service Code 4820 - Valves, Nonpowered), specifically Item 12A in accordance with Naval Sea Systems Command Drawing 4558766. This material is designated as SPECIAL EMPHASIS material for crucial shipboard systems, requiring stringent quality control. Proposals are due June 25, 2026.
Scope of Work
This solicitation requires the provision of "Stem" material, specifically Item 12A, made from QQ-N-286, Form 2, Annealed and Age Hardened material. Key requirements include:
- Adherence to Naval Sea Systems Command Drawing 4558766, item 12A.
- No weld repair permitted on QQ-N-286 material.
- Quantitative chemical and mechanical analysis for parts requiring certification.
- Testing certifications for Ultrasonic Inspection on starting material (4 inches or greater diameter) and Annealing/Age Hardening for Stem, Item 12A.
- Mandatory use of specific laboratories for Slow Strain Rate Tensile Test of QQ-N-286.
- Strict O-ring grooves and mating sealing surfaces inspection per contractually invoked drawings or the General Acceptance Criteria (CSD008).
- Submission of a Certificate of Compliance for Special Emphasis Material.
- Configuration control requirements, including procedures for Waivers/Deviations and Engineering Change Proposals (ECPs).
- Mercury-free material requirement.
- Extensive Quality Assurance Requirements including ISO-9001, ISO-10012, ANSI-Z540.3, and ISO-17025 compliance, with Government Quality Assurance at source.
- Detailed traceability and certification requirements for Level I/SUBSAFE systems, including unique traceability numbers, material marking, and specific content for certification reports.
- Procedures for material handling, receiving inspection, discrepancy reporting, and final inspection, with specific sampling plans and 100% inspection for traceability and certification data.
Contract & Timeline
- Type: Solicitation
- Set-Aside: None
- Product Service Code: 4820 (Valves, Nonpowered)
- Response Due: June 25, 2026, 8:30 PM EDT
- Published: June 10, 2026, 5:11 AM EDT
- Agency: Department of Defense, Department of the Navy, NAVSUP Weapon Systems Support Mechanicsburg
Additional Notes
All contractual documents are considered "issued" when deposited in mail, transmitted by facsimile, or sent by electronic commerce methods. Certification data, including DD1423 CDRLs, must be submitted for review and acceptance prior to each shipment via Wide Area Work Flow (WAWF), with specific "Ship to," "Inspect by," and "Accept by" DODAACs (N50286, N39040, N39040 respectively) and email notification to PORT_PTNH_WAWF_NOTIFICATION@NAVY.MIL. No material is to be shipped prior to acceptance. This is a "DO" rated order under DPAS.