# DIBBS #SPE7M4-26-T-419Z

DLA Land and Maritime requests 362 Sealco Air Controls check valves for critical application

**Posted:** September 17, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE7M4-26-T-419Z
**NAICS:** 332911

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is soliciting bids for check valves used in critical applications.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
  - Buyer: Blake Tushar
- OEM Highlight:
  - Sealco Air Controls Inc. is the approved manufacturer for the requested check valves
- Products Requested:
  - 362 units of Check Valve (NSN 4820-01-497-8729)
  - Approved part numbers: 110500 and 55710035
  - CAGE code: 10125
- Notable Requirements:
  - Delivery required within 81 days from contract award
  - Compliance with domestic sourcing laws
  - Hazardous material labeling required
  - Prohibition on covered defense telecommunications equipment
  - Critical application item status
- Vendors and Competitors:
  - Only Sealco Air Controls Inc. is specified as the approved OEM
  - Other manufacturers of similar check valves may compete if they meet approval criteria
- Product Line Items:
  - Check Valve, NSN 4820-01-497-8729, part numbers 110500 and 55710035, quantity: 362
- No service line items are included in this solicitation.

### Description

VALVE, CHECK (QTY: 362, NSN: 4820-01-497-8729, Purchase Request: 7018306785)
  Approved Sources:
  - CAGE: 10125, Part No: 110500
  - CAGE: 10125, Part No: 55710035
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T419Z)