NUT, STEM RETAINING
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 Nut, Stem Retaining for size 6 Inch Valves. This requirement is for Special Emphasis Material used in crucial shipboard systems, demanding stringent quality and traceability. This is a Total Small Business Set-Aside. Proposals are due May 8, 2026, at 4:30 PM ET.
Scope of Work
The contract requires the supply of Nut, Stem Retaining, specifically Item 27A, in accordance with Naval Ship Systems Command Drawing 845-4558769. The material must be ASTM-B505, Alloy C90300, with weld repair explicitly prohibited. Key requirements include:
- Visual Inspection of all surfaces and threads per T9074-AS-GIB-010/271.
- Thread Inspection per FED-STD-H28 series, with a minimum of System 21.
- Mercury-free materials.
- Configuration control and submission of Waivers/Deviations and Engineering Change Proposals (ECPs) for approval.
Quality Assurance & Traceability
This opportunity involves Government Quality Assurance (GQA) at source. Contractors must maintain a quality system compliant with ISO-9001, ISO-10012 or ANSI-Z540.3 with ISO-17025, and MIL-I-45208. Critical aspects include:
- Material Traceability: Strict traceability from material to certification test reports, with unique identifiers marked on the material per MIL-STD-792.
- Certifications: Quantitative chemical and mechanical analysis, and a Certificate of Compliance for Special Emphasis Material are mandatory.
- WAWF Submission: Certification data must be submitted via Wide Area Work Flow (WAWF) to Portsmouth Naval Shipyard (Ship to N50286, Inspect by N39040, Accept by N39040) with email notification to PORT_PTNH_WAWF_Notification@navy.mil. No material is to be shipped prior to WAWF acceptance.
- Inspections: Detailed contractor and subcontractor inspection requirements, including receiving and final inspections with specific sampling plans (ANSI/ASQ-Z1.4).
Contract Details & Timeline
- Contract Type: Solicitation
- Set-Aside: Total Small Business
- Response Due: May 8, 2026, 4:30 PM ET
- Published: May 5, 2026
Evaluation
NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers, in accordance with FAR 13.106(a)(2).
Additional Notes
Access to drawings must be requested on the SAM.gov solicitation page. An amendment extended the offer receipt deadline and revised several clauses.