STEM,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 (WSS), has issued a solicitation for STEM,VALVE components, specifically "Complete Stem Assemblies" for 3-inch Hull and Backup Ball Valves. This is a Total Small Business Set-Aside for "SPECIAL EMPHASIS" material critical for shipboard systems. Proposals are due February 23, 2026.
Scope of Work
This opportunity requires the supply of complete stem assemblies in accordance with BUSHIPS drawings 845-2109891 and 845-2445483. Key requirements include specific material compositions (e.g., ASTM-B505, QQ-N-286), detailed testing (ultrasonic, slow strain rate tensile by approved labs), and precise thread inspection per FED-STD-H28 series. The material is designated as Level I/Scope of Certification, necessitating stringent quality control, traceability, and certification to prevent critical system failures. Weld repair is explicitly prohibited, and non-metallic materials must meet NAVSEA toxicity/flammability standards.
Contract & Timeline
- Type: Solicitation (leading to a bilateral award)
- Set-Aside: Total Small Business
- Response Due: February 23, 2026, at 8:30 PM EST
- Published: January 9, 2026
- Priority: "DO" rated order under the Defense Priorities and Allocations System (DPAS).
Quality Assurance & Submission
Offerors must possess an acceptable Quality Assurance Manual and maintain a quality system compliant with ISO-9001 (or MIL-I-45208) and calibration systems per ISO-10012 (or MIL-STD-45662). Government Quality Assurance at the source is required. All certification data (CDRLs) must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard for review and acceptance prior to shipment. Electronic signatures on Level I certification documents are accepted under specific controls.
Additional Notes
Access to drawings must be requested via SAM.gov. The contract includes detailed requirements for material traceability, handling, receiving inspection, and discrepancy reporting. Mercury and mercury-containing compounds are prohibited.