# DIBBS #SPE7L0-27-Q-0052

DLA request for two Cooper Bessemer diesel-engine piston rings

**Posted:** November 12, 2026
**Respond By:** November 18, 2026
**Identifier:** SPE7L0-27-Q-0052
**NAICS:** 333618

The Defense Logistics Agency is seeking two piston rings for a Cooper Bessemer diesel engine.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Land Supply Chain ESOC Buys; contact: Jeffrey Bloom.
- **Request:** 2 piston rings, NSN 2815-00-278-1537, for Cooper Bessemer diesel engine model LSV-16-GDT.
- **OEMs / approved sources:** **Cooper Machinery Services LLC** (P/N 2-23R654-001) and **Kaydon Ring & Seal Inc.** (P/N A1353-60).
- **Delivery and acceptance:** Delivery is required within 60 days after order. FOB origin is specified, with destination inspection and acceptance.

### Description

RING, PISTON (QTY: 2, NSN: 2815-00-278-1537, Purchase Request: 7017509401)
  Approved Sources:
  - CAGE: 14541, Part No: 2-23R654-001, Company: COOPER MACHINERY SERVICES LLC
  - CAGE: 75370, Part No: A1353-60, Company: KAYDON RING & SEAL INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L027Q0052)