# DIBBS #SPE7M1-26-T-373Q

DLA Land and Maritime solicits 48 source-controlled piston rings from Rolls-Royce and Sargent Aerospace & Defense

**Posted:** September 25, 2026
**Respond By:** October 05, 2026
**Identifier:** SPE7M1-26-T-373Q
**NAICS:** 336413, 336412

The Defense Logistics Agency (DLA) Land and Maritime Maritime Supply Chain is soliciting quotations for piston rings (NSN 4310-01-324-4319).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Maritime Supply Chain
  - Contact: Michael Reese
- OEMs and Vendors:
  - Rolls-Royce Corporation (OEM)
  - Sargent Aerospace & Defense, LLC (OEM)
- Products Requested:
  - 48 piston rings
    - NSN: 4310-01-324-4319
    - Rolls-Royce Corporation part number: 23008234
    - Sargent Aerospace & Defense, LLC part number: AAG-17513
- Unique/Notable Requirements:
  - Source-controlled, critical application item; only approved OEMs' part numbers accepted
  - Compliance with domestic sourcing laws required
  - Additive manufacturing prohibited unless specifically approved
  - Delivery is FOB origin with destination inspection at DLA Distribution San Diego
  - Packaging must comply with ASTM D3951 and MIL-STD-129
  - Delivery lead time is 522 days from solicitation date, with a delivery window of approximately 3 months
- Technical documentation available via DIBBS portal
- Solicitation is set aside for small businesses

### Description

RING, PISTON (QTY: 48, NSN: 4310-01-324-4319, Purchase Request: 7018496999)
  Approved Sources:
  - CAGE: 63005, Part No: 23008234, Company: ROLLS-ROYCE CORPORATION
  - CAGE: 71687, Part No: AAG-17513, Company: SARGENT AEROSPACE & DEFENSE, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126T373Q)