# DIBBS #SPE7M1-27-T-1290

DLA solicitation for three Warren steam pump piston rings

**Posted:** October 23, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE7M1-27-T-1290
**NAICS:** 423840, 423830

The Defense Logistics Agency is seeking three piston rings for a Warren steam pump.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Maritime Supply Chain; contact listed as Michael Reese.
- **Requested item:** Three piston rings, NSN 4310-00-849-2635.
  - **OEM:** Circor Naval Solutions LLC; approved-source part number UJ-23.
- **Notable requirements:** The rings are identified as a critical application item for a Warren steam pump. Delivery is required 168 days after order, FOB Origin, with destination inspection and acceptance.

### Description

RING, PISTON (QTY: 3, NSN: 4310-00-849-2635, Purchase Request: 7018830779)
  Approved Sources:
  - CAGE: 63857, Part No: UJ-23, Company: CIRCOR NAVAL SOLUTIONS LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M127T1290)