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 Mechanicsburg, is soliciting proposals for Annular Ball Bearings (P/N: M17931-A042). This Total Small Business Set-Aside opportunity requires the manufacture and supply of critical bearings adhering to MIL-B-17931 Military Specification for quiet operation. The requirement is issued under Emergency Acquisition Flexibilities (EAF) and will result in a DO-certified contract for national defense. Proposals are due by March 5, 2026.
Scope of Work
The contract covers the manufacture and supply of BEARING,BALL,ANNULA, specifically Standard Part Number M17931-A042. These critical bearings must comply with MIL-B-17931E and its specified modifications (Appendix I-IV, Attachment A-D, ACN-MIL-B-17931, QTP-MIL-B-17931). Key requirements include:
- Source Control: Only Government-approved sources are considered. New suppliers must undergo extensive qualification via QTP-MIL-B-17931.
- Quality Assurance: Contractor is responsible for quality conformance inspection, with Government verification inspection and Production Lot Testing (PLT) required. An inspection system compliant with MIL-I-45208 or ISO 9001/9002 is necessary.
- Mercury-Free: Materials must be free from metallic mercury and contamination for use on submarines/surface ships.
- Packaging: Matched bearing pairs (Type 131, 133, 134 Class 2) must be packaged together per MIL-DTL-197 method 40B, with a "MATCHED SET, DO NOT SEPARATE" caution.
- Shelf Life: Bearings are shelf life code X (extendable, 60 months), with MIL-B-17931E bearings labeled for 10 years (120 months).
Contract & Timeline
- Type: Solicitation (bilateral award requiring contractor acceptance)
- Set-Aside: Total Small Business
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Response Due: March 5, 2026, 8:30 PM EST
- Published: January 30, 2026, 9:16 AM EST
- Delivery: CLIN 0001AA and 0001AB require delivery within 180 days.
- Option: Includes an option for increased quantity (up to 180 days after award) for which pricing is requested.
Evaluation & Submission
NAVSUP WSS Mechanicsburg will evaluate offers considering past performance in accordance with FAR 13.106(a)(2). Offerors must submit Certification Data Reports via DD Form 250 for each lot shipped for Verification Inspection, no later than 75 days prior to the contractual delivery date. Access to drawings, if included, must be requested via SAM.gov and followed up with an email to the POC.
Additional Notes
This contract will be DO certified under the Defense Priorities and Allocations System (DPAS). All contractual documents are considered "issued" when deposited in mail, transmitted by facsimile, or sent by electronic commerce.