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Vent-check Valve

Model / MPN: 33985 REV A 40 MESH | NSN: 4820-01-654-7717
ITAR Registered seal

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Product Details
NATO Stock Number
4820-01-654-7717
Sold in multiples of
1 EA
DEMIL
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M019T8711 Check Valve, Vent 1 EA 05/13/2019
SPE7M019T096D Check Valve, Vent 1 EA 08/08/2019
SPE7M019T102Y Check Valve, Vent 1 EA 08/12/2019

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33985 REV A 40 MESH Cross Reference
  • 52-40S 1-1/2" 40 MESH
  • 33985