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 BEARING,BALL,DUPLEX (NSN 3110-009921011NT). This is a Total Small Business Set-Aside opportunity. The requirement is for a commercial item, but only Government-approved sources or those demonstrating prior approval/qualification will be considered. The solicitation has been amended to increase quantities and extend the quote due date to March 19, 2026.
Scope of Work
This opportunity requires the manufacture and supply of Duplex Ball Bearings adhering to MIL-B-17931E Military Specification for 'Bearings, Ball, Annular, For Quiet Operation', along with various modifications and referenced documents (e.g., SPCC FORM 4250/7, ACN-MIL-B-17931). Key requirements include:
- Compliance with MIL-B-17931E, Standard Part Number M17931-A014.
- Marking per MIL-B-17931E and Mil-Std 129.
- Components from Government Qualified Products List (QPL) suppliers.
- Mercury-free materials for submarine/surface ship use.
- Specific packaging for matched bearing pairs per MIL-DTL-197 method 40B, with "MATCHED SET, DO NOT SEPARATE" labeling.
- Shelf life of 60 months (extendable), labeled for 120 months.
Contract & Timeline
- Type: Solicitation (Bilateral award requiring contractor acceptance)
- Set-Aside: Total Small Business
- Product Service Code: 3110 (Bearings, Antifriction, Unmounted)
- Quote Due: March 19, 2026, 8:30 PM EST
- Published: February 20, 2026
Quality Assurance & Evaluation
Contractors are responsible for all inspection requirements, maintaining an inspection/quality system compliant with MIL-I-45208 or ISO 9001/9002. This includes contractor-performed Quality Conformance Inspection and Production Lot Testing (PLT). Government Verification Inspection will also be conducted at the Naval Surface Warfare Center, Carderock Division. NAVSUP WSS Mechanicsburg will consider past performance in the evaluation of offers (IAW FAR 13.106(a)(2)). The item is now determined a commercial item, and evaluation will follow commercial products and services guidelines (DEV 2026-O0028). Only sources currently approved by the Government or those providing proof of prior approval/qualification will be considered.
Additional Notes
This requirement is pursuant to Emergency Acquisition Flexibilities (EAF) and will result in a DO certified order under the Defense Priorities and Allocations System (DPAS). An option for increased quantity (180 days after award) is included, and pricing for this option is requested. Access to drawings, if applicable, must be requested via SAM.gov and then by emailing the POC.