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, NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of Annular Ball Bearings (P/N: M17931-G087). This requirement is for items manufactured to MIL-DTL-17931F Military Specification for quiet operation. This is a Total Small Business Set-Aside. Proposals are due March 9, 2026.
Scope of Work
The contractor shall manufacture and supply BEARING,BALL,ANNULA (P/N: M17931-G087) in accordance with MIL-DTL-17931F and other referenced documents. Key requirements include:
- Adherence to MIL-DTL-17931F for 'Bearings, Ball, Annular, For Quiet Operation'.
- Compliance with mercury-free requirements for submarine/surface ship use.
- One-year warranty from date of delivery.
- Delivery within 180 days for CLINs 0001AA and 0001AB.
Contract & Timeline
- Type: Solicitation (implies a contract for supplies, likely Firm Fixed-Price).
- Set-Aside: Total Small Business.
- NAICS: 332991 (Ball and Roller Bearing Manufacturing).
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted).
- Response Due: March 9, 2026, 8:30 PM EST.
- Published: February 2, 2026.
Key Requirements
- Source Control: Only Government-approved sources for this item will be considered. New suppliers must undergo extensive qualification and testing, which is time-consuming. Proof of prior approval or satisfactory production/test data is required for evaluation.
- Qualification: The item is on the Qualified Products List (QPL). Vendors must be qualified to supply precision ball bearings using 'QTP-MIL-B-17931' as a supplement to MIL-DTL-17931.
- Quality Assurance: Contractors are responsible for all inspection requirements, maintaining an inspection/quality system acceptable to the Government (MIL-I-45208 or ISO 9001/9002). Quality Conformance Inspection (nondestructive) per MIL-DTL-17931F Table VI and MIL-STD-105 is required.
- Production Lot Testing (PLT): Required, with Government Verification Inspection at Naval Surface Warfare Center, Carderock Division.
- Configuration Control: MIL-STD-973 applies for Engineering Change Proposals, Deviations, and Waivers.
Evaluation
NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers in accordance with FAR 13.106(a)(2).
Additional Notes
- The resultant award will be issued bilaterally, requiring contractor's written acceptance.
- This is a DO certified rated order for national defense under the Defense Priorities and Allocations System (DPAS).
- Access to drawings, if included, must be requested via SAM.gov and followed up with an email to the Point of Contact.
- Shelf life for these bearings is 60 months (extendable), labeled for 120 months.