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 009987775NT), which has been determined a commercial item. This requirement is issued under Emergency Acquisition Flexibilities (EAF) and is designated as a Total Small Business Set-Aside. The resultant award will be issued bilaterally, requiring the contractor's written acceptance. Proposals are due March 5, 2026.
Scope of Work
This solicitation covers the manufacture and supply of Annular Ball Bearings, specifically P/N: M17931-A042, identified as critical bearings. The items must adhere to MIL-B-17931 Military Specification for 'Bearings, Ball, Annular, For Quiet Operation' (Revision E) and other referenced documents, including specific modifications detailed in Appendix I-IV, Attachment A-D, ACN-MIL-B-17931, and QTP-MIL-B-17931. Components must be sourced from a Government Qualified Products List (QPL) supplier, and the final product must be mercury-free for use on submarines/surface ships. Specific bearing types (131, 133, 134, class 2) require matching as pairs and special packaging in accordance with MIL-DTL-197 method 40B.
Contract & Timeline
- Type: Solicitation (Bilateral Award)
- Set-Aside: Total Small Business
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Response Due: March 5, 2026, 8:30 PM EST
- Published: February 10, 2026
- Delivery: CLIN 0001AA: 15 units within 180 days; CLIN 0001AB: 5 units within 180 days.
- Option: An option for increased quantity (up to 180 days after award) is included, and pricing for this option is requested.
Evaluation Factors
NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers, in accordance with FAR 13.106(a)(2). Only Government-approved sources will be considered, as the item is on the QPL. Prospective contractors must be qualified by the engineering activity prior to submitting an offer. Firms not previously approved must provide proof of prior approval or qualification data for evaluation.
Special Requirements & Notes
- Quality Assurance: The contractor is responsible for all inspections and must maintain an inspection/quality system per MIL-I-45208 or ISO 9001/9002.
- Testing: Requires Production Lot Testing (PLT) and Government Verification Inspection at Naval Surface Warfare Center, Carderock Division. Certification Data Reports must be submitted 75 days prior to the contractual delivery date.
- Configuration Control: MIL-STD-973 applies for Engineering Change Proposals, Deviations, and Waivers.
- DPAS: This will be a DO certified order under the Defense Priorities and Allocations System.
- Drawings: Access requests for drawings must be made on SAM.gov, followed by an email to the POC.
- Shelf Life: Critical bearings have a shelf life code X (extendable, 60 months), with MIL-B-17931E bearings labeled for 10 years.