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 010548437NT). This requirement, now determined a commercial item, is set aside for Total Small Business. The solicitation is issued under Emergency Acquisition Flexibilities (EAF) and will result in a bilaterally accepted award. Proposals are due by March 5, 2026.
Scope of Work
This opportunity is for the manufacture and supply of Annular Ball Bearings that must adhere to MIL-DTL-17931F Military Specification for 'Bearings, Ball, Annular, For Quiet Operation' and other referenced documents. The standard part number is M17931-G012.
Contract Details
- Type: Solicitation (bilateral award)
- Set-Aside: Total Small Business
- Delivery: CLIN 0001AA (3 units) and CLIN 0001AB (2 units) within 180 days.
- Option: An option for increased quantity (up to 180 units) is included, exercisable within 180 days after award. Pricing for this option is requested.
- Quality: Requires Production Lot Testing (PLT) and adherence to MIL-I-45208 or ISO 9001/9002 inspection systems.
- DPAS: The resultant contract will be DO certified under the Defense Priorities and Allocations System.
Evaluation Factors
NAVSUP WSS Mechanicsburg will consider past performance in accordance with FAR 13.106(a)(2). A critical factor is source approval: only Government-approved sources will be considered. New suppliers require extensive qualification and testing, and must provide proof of prior approval or qualification data for evaluation. Qualification via 'QTP-MIL-B-17931' and final NAVSEA approval is necessary for noise-tested bearings.
Key Requirements
- Source Control: Strict adherence to Government-approved source requirements.
- Mercury-Free: Materials must be free from metallic mercury contamination, especially for submarine/surface ship use.
- Configuration Control: MIL-STD-973 applies for Engineering Change Proposals, Deviations, and Waivers.
- Inspection: Contractor performs quality conformance inspection per MIL-DTL-17931F Table VI and MIL-STD-105. Government Verification Inspection will occur at Naval Surface Warfare Center, Carderock Division.
- Documentation: Certification Data Reports via DD Form 250 are required for each lot, due 75 days prior to delivery.
- Shelf Life: Bearings have a shelf life code X (extendable, 60 months), with MIL-B-17931E bearings having a 10-year shelf life.
Deadlines & Submission
- Response Date: March 5, 2026, at 8:30 PM EST.
- Drawings: Access to drawings must be requested on SAM.gov, followed by an email to the Point of Contact.
Contact Information
For inquiries, contact ABIGAIL.R.HURLBUT.CIV@US.NAVY.MIL (Phone: 717-605-6805).