# DIBBS #SPE4A6-26-T-29QD

DLA Solicitation for Retaining Rings (NSN 5325-00-281-6660)

**Posted:** September 16, 2026
**Respond By:** September 23, 2026
**Identifier:** SPE4A6-26-T-29QD
**NAICS:** 332117, 333613, 336413

This opportunity is for the supply of retaining rings (NSN 5325-00-281-6660) to the Defense Logistics Agency (DLA) Aviation, ASC Commodities Division.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division, Richmond, VA
  - Buyer: Debra Fowler
- OEMs and Approved Manufacturers:
  - Rolls-Royce Solutions America Inc (CAGE 72582, part number 5174429)
  - General Motors Corp
  - Penske Power Systems Pty Ltd
  - Federal-Mogul Corporation DBA
- Vendors with CAGE codes: 24617, 7U177, ZV845
- Products Requested:
  - Retaining Ring
    - NSN: 5325-00-281-6660
    - Quantity: 1,185 units
    - Part number: 5174429 (Rolls-Royce Solutions America Inc)
- Notable Requirements:
  - Strict compliance with domestic sourcing laws (Berry Amendment, Buy American Act)
  - Mercury and mercury compounds prohibited in materials
  - Packaging and marking must follow MIL-STD-129 and MIL-STD-2073-1E standards
  - Critical application item; only approved manufacturers accepted
  - Delivery required within 171 days from award, no later than March 14, 2027
- No service line items requested

### Description

RING, RETAINING (QTY: 1185, NSN: 5325-00-281-6660, Purchase Request: 7018343418)
  Approved Sources:
  - CAGE: 24617, Part No: 5174429
  - CAGE: 72582, Part No: 5174429, Company: ROLLS-ROYCE SOLUTIONS AMERICA INC
  - CAGE: 7U177, Part No: B5174429
  - CAGE: ZV845, Part No: 5174429
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T29QD)
