# DIBBS #SPE7M1-27-T-0656

DLA request for 27 source-controlled piston rings

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7M1-27-T-0656
**NAICS:** 336412, 336413

The Defense Logistics Agency is seeking 27 source-controlled piston rings for a critical application.
- Government buyer: Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Supply Chain; buyer contact listed as Michael Reese.
- Product: 27 piston rings, NSN 4310-01-324-4319, drawing 23008234, CAGE 63005, Revision C.
- Approved OEMs and source part numbers:
  - Rolls-Royce Corporation — P/N 23008234.
  - Sargent Aerospace & Defense, LLC — P/N AAG-17513.
- Requirements: Source-controlled item for a critical application; delivery is FOB Origin, due 602 days after order. Inspection and acceptance are at destination, with delivery to DLA Distribution San Diego.

### Description

RING, PISTON (QTY: 27, NSN: 4310-01-324-4319, Purchase Request: 7018674399)
  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=SPE7M127T0656)