31--BEARING,BALL,DUPLEX
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 the manufacture and supply of BEARING,BALL,DUPLEX (PSC 3110). This opportunity requires adherence to MIL-DTL-17931F and other military specifications, with a strong emphasis on source control and mercury-free materials. The solicitation closing date has been extended to June 29, 2026, via amendment.
Scope of Work
This contract requires the manufacture and supply of BEARING,BALL,DUPLEX, specifically part number M17931-A026, which is identified as a critical bearing. The item must conform to MIL-DTL-17931F Military Specification for 'Bearings, Ball, Annular, For Quiet Operation' and other referenced documents. A key requirement is that the material must be mercury-free for use on submarines/surface ships, with strict protocols for preventing contamination.
Contract & Timeline
- Type: Solicitation
- Agency: Department of the Navy / NAVSUP Weapon Systems Support Mechanicsburg
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Response Due: June 29, 2026 (extended by amendment)
- Published: May 28, 2026
- Set-Aside: None specified
- Option: Includes an option for an increased quantity of up to 180% of the initial order.
Key Requirements
- Source Control: Only Government-approved sources will be considered. New suppliers must undergo extensive qualification processes, including the use of QTP-MIL-B-17931 for precision ball bearings, prior to award.
- Quality Assurance: Contractors must maintain an inspection/quality system per MIL-I-45208 or ISO 9001/9002. This includes contractor-performed quality conformance inspection (MIL-DTL-17931F Table VI, MIL-STD-105) and mandatory Production Lot Testing (PLT). Government verification inspection will occur at the Naval Surface Warfare Center, Carderock Division.
- Packaging: Preservation, packaging, packing, and marking must comply with MIL-STD 2073.
- Shelf Life: Critical bearings have a shelf life code X (extendable, 60 months), with MIL-B-17931F bearings labeled for 10 years (120 months).
- Configuration Control: Adherence to MIL-STD-973 for Engineering Change Proposals, Deviations, and Waivers.
Evaluation Factors
NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers, in accordance with FAR 13.106(a)(2).
Additional Notes
This contract will be DO certified for national defense under the Defense Priorities and Allocations System (DPAS). Access to drawings, if included, must be requested on SAM.gov, followed by an email to the Point of Contact. All other terms and conditions of the original solicitation remain unchanged.
Contact: Abigail Hurlbut at abigail.r.hurlbut.civ@us.navy.mil or 717-605-6805 for questions.