# DIBBS #SPE7M1-26-T-361H

DLA Land and Maritime Solicits Composite Wearing Rings (NSN 4320-01-461-6353) from Approved OEMs

**Posted:** September 18, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE7M1-26-T-361H
**NAICS:** 332999

The Defense Logistics Agency (DLA) Land and Maritime, Maritime Supply Chain, is soliciting quotations for a critical application part: 'RING, WEARING' (NSN 4320-01-461-6353).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime, Maritime Supply Chain
  - Contact: Michael Reese
- OEMs and Vendors:
  - Carver Pump Company
    - Part numbers: US7-716L001-550, US7-716L001-552
  - Circor Naval Solutions LLC
    - Part number: 0654C0571S902A
  - Sims Pump Valve Co, Inc
    - Part number: 654C0571
- Products Requested:
  - RING, WEARING (Composite material)
    - NSN: 4320-01-461-6353
    - Quantity: 6 units
    - Critical application item
    - Approved sources only (listed OEMs)
- Notable Requirements:
  - Strict compliance with domestic sourcing laws
  - Adherence to hazardous material regulations
  - Delivery required within 168 days from contract date to DLA Distribution San Joaquin, Tracy, CA
  - Only products from approved manufacturers are eligible

### Description

RING, WEARING (QTY: 6, NSN: 4320-01-461-6353, Purchase Request: 7018389246)
  Approved Sources:
  - CAGE: 10941, Part No: US7-716L001-550, Company: CARVER PUMP COMPANY
  - CAGE: 10941, Part No: US7-716L001-552, Company: CARVER PUMP COMPANY
  - CAGE: 63857, Part No: 0654C0571S902A, Company: CIRCOR NAVAL SOLUTIONS LLC
  - CAGE: 78314, Part No: 654C0571, Company: SIMS PUMP VALVE CO, INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126T361H)