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 Annular Ball Bearings (NSN: 3HD 3110 009910945NT), which have been determined a commercial item. This requirement is a Total Small Business Set-Aside and seeks qualified sources for the manufacture and supply of these bearings. Proposals are due by March 9, 2026.
Scope of Work
This solicitation covers the procurement of BEARING,BALL,ANNULA, specifically Standard Part Number M17931-C015. The bearings must adhere to MIL-DTL-17931F Military Specification for 'Bearings, Ball, Annular, For Quiet Operation' and other referenced documents. Key requirements include:
- Manufacture and design in accordance with MIL-DTL-17931F.
- Physical identification/marking per MIL-DTL-17931F paragraph 3.8 and Mil-Std 129.
- Material must be mercury-free for use on submarines/surface ships.
- Compliance with Production Lot Testing (PLT) and Quality Conformance Inspection.
Contract & Timeline
- Opportunity Type: Solicitation
- Set-Aside: Total Small Business
- NAICS: 332991 (Size Standard: 1250 employees)
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Delivery: CLIN 0001AA (10 units) and CLIN 0001AB (9 units) within 180 days of award.
- Option: Option for increased quantity (up to 180 days after award) is included.
- Proposal Due: March 9, 2026, 8:30 PM EST
- Published: February 10, 2026
Qualification & Evaluation
- Source Control: Only Government-approved sources will be considered. New suppliers must undergo extensive qualification and testing. Offerors must provide proof of prior approval or data demonstrating satisfactory production of similar items.
- Qualification: The item is on the Qualified Products List (QPL). Vendors must be qualified to supply noise-tested (NT) bearings in accordance with MIL-DTL-17931F and "QTP-MIL-B-17931".
- Inspection System: Contractors must maintain an inspection/quality system acceptable to the Government, in accordance with MIL-I-45208 or ISO 9001/9002.
- Past Performance: NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers, in accordance with FAR 13.106(a)(2).
- Priority Rating: The resultant contract will be DO certified for national defense under the Defense Priorities and Allocations System (DPAS).
Additional Notes
- Drawings: Access to drawings (if included) must be requested on SAM.gov, followed by an email to the Point of Contact.
- Certification Data: Certification Data Reports must be submitted via DD Form 250 for each lot shipped for Verification Inspection, no later than 75 days prior to the contractual delivery date.
- Shelf Life: Bearings have a shelf life code X (extendable, 60 months), with MIL-B-17931E bearings labeled for 10 years (120 months). Extensions require program management approval.
- Contact: Abigail Hurlbut at ABIGAIL.R.HURLBUT.CIV@US.NAVY.MIL or 717-605-6805.