31--BEARING,BALL,ANNULA
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, specifically NAVSUP WEAPON SYSTEMS SUPPORT MECH, is soliciting proposals for Annular Ball Bearings (NSN: 3HD 3110 009873729NT). This requirement is a Total Small Business Set-Aside and the item has been designated as a commercial item. Proposals are due by February 23, 2026.
Scope of Work
This solicitation is for the manufacture and supply of BEARING,BALL,ANNULA, specifically Standard Part Number M17931-G045. The bearings must adhere to MIL-B-17931 Military Specification for 'Bearings, Ball, Annular, For Quiet Operation' and other referenced documents, including modifications detailed in Appendices, Attachments, ACN-MIL-B-17931, and QTP-MIL-B-17931. Key requirements include:
- Source Control Item: Only Government-approved sources will be considered. New suppliers require extensive qualification and testing, which is time-consuming.
- Quality Assurance: Contractor testing and Government Verification Inspection (Production Lot Testing) are required. The quality system must be acceptable to the Government, per MIL-I-45208 or ISO 9001/9002.
- Mercury-Free: Material must be free from metallic mercury and contamination for submarine/surface ship use.
- Configuration Control: Adherence to MIL-STD-973 for engineering changes, deviations, and waivers.
- Shelf Life: Bearings have a shelf life code X (extendable, 60 months), with MIL-B-17931E bearings labeled for 10 years (120 months).
Contract & Timeline
- Type: Solicitation
- Set-Aside: Total Small Business
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Response Due: February 23, 2026, 8:30 PM EST
- Published: February 10, 2026
- Delivery: 180 days for CLINs 0001AA and 0001AB.
- Option: Includes an option for increased quantity, exercisable 365 days after award.
Evaluation
Offers will be evaluated considering past performance in accordance with FAR 13.106(a)(2). The evaluation will also follow principles for commercial products and services.
Additional Notes
Certification Data Reports via DD Form 250 are required for each lot shipped, 75 days prior to the contractual delivery date. Access to drawings, if included, requires a request on SAM.gov and an email to the POC.