NUT, HEAVY HEX
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 MECH has issued a Request for Quotations (RFQ) for "NUT, HEAVY HEX" (NSN 1HM 5310-01-620-9717). This material is designated 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 damage. Quotations are due by Close of Business on May 26, 2026.
Scope of Work
This RFQ is for the procurement of "NUT, HEAVY HEX" (CLIN 0001, NIIN 016209717). Key requirements include:
- Manufacturing in accordance with MIL-DTL-1222, Type III, 375-24UNF-3B, QQ-N-286, with specific amplifications.
- Fasteners must be solution annealed and age hardened.
- Internal threads must be formed by cutting; cold forming is not acceptable.
- Strict testing requirements, including Slow Strain Rate Tensile Test, with a list of approved laboratories provided.
- Prohibition of intentionally added mercury or mercury-containing compounds.
- Configuration control and provision of drawings showing the latest assembly.
Quality & Compliance
- A Certificate of Compliance (SPECIAL EMPHASIS MATERIAL) is required.
- Quality System Requirements mandate compliance with ISO-9001 (amplified/modified) and calibration system requirements of ISO-10012 or ANSI-Z540.3 with ISO-17025, or MIL-I-45208 with MIL-STD-45662.
- Government Quality Assurance at source is provided.
- Critical traceability and certification requirements to ensure correct materials and Objective Quality Evidence (OQE).
- Packaging must adhere to MIL-STD-2073.
- Item Unique Identification and Valuation (JAN 2023) clause applies.
Contract & Timeline
- Type: Solicitation (RFQ for supplies and services)
- Delivery Period: 210 DAYS
- FOB: Destination
- Set-Aside: Not explicitly defined in metadata; the document notes "set aside" is checked on the form, but no specific type is provided.
- Quotations Due: May 26, 2026 (Close of Business)
- Published: April 23, 2026
Submission & Evaluation
- Inspection and Acceptance will occur at Origin.
- Data item requirements, including an Inspection and Test Plan (A001) and a Certification/Data Report (A002), are outlined in DD Form 1423, Attachment 1.
Contact Information
For inquiries, contact Noelle Smith at noelle.m.smith10.civ@us.navy.mil or (717)605-3992.