31--BEARING,BALL,ANNULA- AND SIMILAR REPLACEMENT PARTS
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 Ball Bearings, Annular, and similar replacement parts under a Total Small Business Set-Aside. This opportunity involves the manufacture and supply of precision ball bearings, including DUPLEX and ANNULA types, adhering to strict military specifications. This solicitation is issued under Emergency Acquisition Flexibilities (EAF). Proposals are due by April 17, 2026.
Scope of Work
This solicitation covers the procurement of specific ball bearings:
- BEARING,BALL,DUPLEX (CLIN 1): Must adhere to MIL-B-17931E and associated documents, with Standard Part Number M17931-A040. Requires specific shelf-life labeling (10 years) and specialized packaging for matched sets.
- BEARING,BALL,ANNULA (CLIN 2): Must adhere to MIL-DTL-17931F and associated documents, with Standard Part Number M17931-C017. Both items require components from Government Qualified Products List (QPL) suppliers and must be mercury-free for use on submarines/surface ships.
Key Requirements & Evaluation
- Source Control: Only Government-approved sources will be considered. New suppliers must undergo extensive qualification and testing using QTP-MIL-B-17931. Proof of prior approval or satisfactory production/test data must be submitted for evaluation.
- Testing: Requires First Article Testing (FAT) per FAR 52.290-4 and Production Lot Testing (PLT). Both contractor and government verification inspections are required, with government testing being nondestructive.
- Quality Assurance: Contractors must maintain an inspection/quality system compliant with MIL-I-45208 or ISO 9001/9002.
- Configuration Control: Adherence to MIL-STD-973 for Engineering Change Proposals, Deviations, and Waivers.
- Evaluation: NAVSUP WSS Mechanicsburg will consider past performance in accordance with FAR 13.106(a)(2).
- Packaging: Must comply with MIL-STD 2073.
Contract & Timeline
- Type: Solicitation (Bilateral award requiring contractor acceptance).
- Set-Aside: Total Small Business.
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted).
- Response Due: April 17, 2026, 8:30 PM EDT (updated by amendment).
- Published: March 19, 2026.
Additional Notes
This solicitation will result in a DO certified order under DPAS. Access to drawings must be requested via SAM.gov, followed by an email to the POC. All other terms and conditions remain unchanged by the amendment.