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 NAVSUP Weapon Systems Support (WSS) Mechanicsburg has issued a solicitation for the procurement of Annular Ball Bearings (Part Number M17931-G042) designed for quiet operation. This requirement is a Total Small Business Set-Aside and is subject to Emergency Acquisition Flexibilities (EAF). Proposals are due by March 17, 2026.
Scope of Work
The contractor is responsible for the manufacture and delivery of bearings that adhere to MIL-B-17931 (Military Specification for Bearings, Ball, Annular, For Quiet Operation). Key technical requirements include:
- Source Control: Only Government-approved sources will be considered for award. New suppliers must undergo extensive qualification and testing by the In-Service Engineering Agent (ISEA) prior to being authorized as an approved source.
- Quality Standards: Compliance with MIL-I-45208 or ISO 9001/9002 quality systems is required.
- Testing: Mandatory Production Lot Testing (PLT) and Quality Conformance Inspection (nondestructive) must be performed.
- Environmental Safety: Items must be mercury-free and free from mercury contamination, as they are intended for use on submarines and surface ships.
- Shelf Life: The items have a 60-month extendable shelf life (Code X).
Contract & Timeline
- Type: Solicitation (Firm Fixed-Price anticipated)
- Set-Aside: Total Small Business
- Response Due: March 17, 2026
- Delivery: Required within 180 days after award
- Priority Rating: DO certified under the Defense Priorities and Allocations System (DPAS)
Evaluation
The Government will evaluate offers based on past performance in accordance with FAR 13.106(a)(2). Because this is a source-controlled item, prospective contractors not already approved must provide proof of prior approval or technical data demonstrating their capability to meet service requirements.
Additional Notes
The closing date has been extended via multiple amendments, with the final deadline now set for March 2026. All technical inquiries regarding drawings or configuration control must be submitted in writing to the Procurement Contracting Officer (PCO).