STEM,FLUID 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 a Stem Assembly for a 3-inch Ball Valve. This is a Total Small Business Set-Aside opportunity for a crucial shipboard system, designated as SPECIAL EMPHASIS material, requiring stringent quality control and certification. Proposals are due by July 13, 2026.
Scope of Work
This requirement is for the procurement of a Stem Assembly (including Stem, Stem Retaining Nut, and Bushing) for a size 3-inch Ball Valve, in accordance with Naval Ship Systems Command Drawing 803-2178493 and DRNs 2178493-C2, 803-4384678, and DRNs 4384678-C1, C2, and C6. The material is classified as SPECIAL EMPHASIS (Level I, Scope of Certification, or Quality Assured) due to its critical use in shipboard systems, where failure could lead to serious injury, loss of life, or loss of the ship. Key material requirements include ASTM-B505 Alloy UNS C90300 for the Stem Retaining Nut and QQ-N-286 (Annealed and Age Hardened) for the Stem, Piece 33.
Quality Assurance & Testing
Extensive quality assurance is mandated, including Dye Penetrant Inspection, Ultrasonic Inspection, and Slow Strain Rate Tensile Testing (to be performed by specified laboratories). Contractors must maintain a quality system compliant with ISO-9001 (or MIL-I-45208 as an alternate) and calibration systems per ISO-10012 or ANSI-Z540.3 with ISO-17025 (or MIL-STD-45662). Strict traceability from material to certification test reports is required, with unique traceability numbers marked on materials. All certifications, including chemical and mechanical analysis, must be submitted via WAWF to Portsmouth Naval Shipyard for review and acceptance prior to shipment. Electronic signatures are permitted under controlled conditions. The contract also details procedures for waivers, deviations, and Engineering Change Proposals (ECPs).
Contract & Timeline
- Opportunity Type: Solicitation
- Set-Aside: Total Small Business
- Response Due Date: July 13, 2026, 8:30 PM EDT
- Published Date: June 11, 2026
- Agency: Department of the Navy, NAVSUP Weapon Systems Support Mechanicsburg
- Product Service Code: 4820 (Valves, Nonpowered)
Additional Notes
This is a rated order under the Defense Priorities and Allocations System (DPAS). Past performance will be considered in the evaluation. Access to drawings must be requested via SAM.gov, followed by an email to the listed POC. The ECDS system (https://register.nslc.navy.mil/) is available for certain data submissions and questions.