# DIBBS #SPE4A6-26-T-33GL

Procurement of Self-Aligning Plain Bearings (NSN 3120-00-323-1472) for DLA Aviation

**Posted:** September 21, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE4A6-26-T-33GL
**NAICS:** 332991

This opportunity from the Defense Logistics Agency (DLA) Aviation ASC Commodities Division, Richmond VA, seeks commercial bearings for military applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation ASC Commodities Division, Richmond VA
- OEMs (Approved Manufacturers):
  - RBC Transport Dynamics Corp
  - New Hampshire Ball Bearings Inc
  - RBC Specline Inc
  - Timken Co
  - RBC Southwest Products, Inc.
  - Sargent Aerospace & Defense, LLC
- Vendors: Same as OEMs (no resellers specified)
- Products Requested:
  - Bearing, Plain, Self-Aligning
    - NSN: 3120-00-323-1472
    - Part Number: ST4M123-8
    - Quantity: 50 units
- Notable Requirements:
  - Packaging must comply with MIL-STD-2073-1E and MIL-DTL-197M
  - Inspection and acceptance at origin
  - Marking per MIL-STD-129
  - Compliance with domestic sourcing laws
  - Additive manufacturing items prohibited unless specifically approved
  - Delivery window: Ship by March 17, 2027; deliver by June 6, 2027
  - Delivery period: 169 days from award date
- Technical documentation available via DIBBS portal
- Solicitation is tagged as 'Fast Award'

### Description

BEARING, PLAIN, SELF-ALI (QTY: 50, NSN: 3120-00-323-1472, Purchase Request: 7018413350)
  Approved Sources:
  - CAGE: 09455, Part No: ST4M123-8, Company: RBC TRANSPORT DYNAMICS CORP
  - CAGE: 15860, Part No: ST4M123-8, Company: NEW HAMPSHIRE BALL BEARINGS INC
  - CAGE: 16746, Part No: ST4M123-8, Company: RBC SPECLINE INC
  - CAGE: 21335, Part No: ST4M123-8, Company: TIMKEN CO
  - CAGE: 81376, Part No: ST4M123-8, Company: RBC SOUTHWEST PRODUCTS, INC.
  - CAGE: 97613, Part No: ST4M123-8, Company: SARGENT AEROSPACE & DEFENSE, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T33GL)