# DIBBS #SPE7MC-26-T-266X

Procurement of Crissair Inc Check Valves (NSN 4820-01-521-5000)

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7MC-26-T-266X
**NAICS:** 332912, 332919, 332911

This opportunity is a Defense Logistics Agency (DLA) procurement for check valves used in military applications.
- Government Buyer:
  - Defense Logistics Agency (DLA)
  - Sub-agency: DLA Land and Maritime
  - Office: Maritime Hardware/Electrical
- OEMs and Vendors:
  - Crissair Inc is the only approved manufacturer (part number 2S6964)
- Products/Services Requested:
  - 14 units of Valve, Check
    - National Stock Number (NSN): 4820-01-521-5000 (also referenced as 4820-015-215-0000)
    - Crissair Inc part number: 2S6964
- Unique or Notable Requirements:
  - Only Crissair Inc is approved as the source for this part
  - Packaging must comply with ASTM D3951 and MIL-STD-129
  - Domestic material restrictions apply
  - Delivery required within 168 days from award
  - Opportunity is set aside for small businesses

### Description

VALVE, CHECK (QTY: 14, NSN: 4820015215000, Purchase Request: 7018272288)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7MC26T266X)