# DIBBS #SPE7M1-26-T-350E

DLA Land and Maritime Solicits Circor Naval Solutions Wearing Ring (NSN 4320-00-383-4370)

**Posted:** September 14, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE7M1-26-T-350E
**NAICS:** 332999

The Defense Logistics Agency (DLA) Land and Maritime, Maritime Supply Chain, is soliciting bids for a specialized wearing ring used in naval pumps.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime, Maritime Supply Chain
  - Contact: Steven Kim
- OEM and Vendor Details:
  - Only approved manufacturer: Circor Naval Solutions LLC (CAGE 63857)
- Products Requested:
  - RING, WEARING (NSN 4320-00-383-4370)
    - Part number: 654B0261C051A
    - Quantity: 5 units
    - Description: Wearing ring, case, 2nd stage, undersize, used on Warren 5-2CVN-15 Pump
- Unique Requirements:
  - Delivery required within 130 days from award
  - Compliance with domestic sourcing laws
  - Prohibition on covered defense telecommunications equipment
  - Only the specified OEM part is acceptable; no substitutes or alternate sources listed

### Description

RING, WEARING (QTY: 5, NSN: 4320-00-383-4370, Purchase Request: 7017777152)
  Approved Sources:
  - CAGE: 63857, Part No: 654B0261C051A, Company: CIRCOR NAVAL SOLUTIONS LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126T350E)