# DIBBS #SPE7M2-26-U-0493

DLA Land and Maritime Nuclear Reactor Program Solicits Flap Valve Non-Return Units (NSN 4820-01-217-8241)

**Posted:** September 17, 2026
**Respond By:** October 01, 2026
**Identifier:** SPE7M2-26-U-0493
**NAICS:** 332999, 332911

The Defense Logistics Agency (DLA) Land and Maritime Nuclear Reactor Program is soliciting an indefinite delivery contract (IDC) for flap valve non-return units.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Nuclear Reactor Program
- OEMs and Vendors:
  - EVAC North America Inc (approved source, part number 5430670)
  - Other approved vendor(s) with part number 5430670
- Products Requested:
  - Flap Valve Non-Return
    - NSN: 4820-01-217-8241
    - Part Number: 5430670
    - Estimated annual quantity: 764 units
    - Guaranteed minimum: 114 units
- Notable Requirements:
  - Indefinite delivery contract (IDC) for one year
  - Strict packaging per MIL-STD-2073-1E and marking per MIL-STD-129
  - Shelf life: 36 months, non-extendable
  - Restricted source item; engineering source approval required
  - Prohibition on mercury and ozone-depleting chemicals
  - Domestic sourcing required
  - Delivery is FOB origin with destination inspection
  - Open to small businesses

### Description

FLAP VALVE NON RETURN (QTY: 764, NSN: 4820-01-217-8241, Purchase Request: 1000240812)
  Approved Sources:
  - CAGE: 47WD8, Part No: 5430670, Company: EVAC NORTH AMERICA INC
  - CAGE: 58568, Part No: 5430670
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M226U0493)