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Safety Relief Valve

Model / MPN: 644XB-4-12-27 | NSN: 4820-01-576-4086
ITAR Registered seal

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Product Details
NATO Stock Number
4820-01-576-4086
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
End Application
E-3a aircraft
Part Name Assigned By Controlling Agency
Relief valve
644XB4 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M019T146G Valve, Safety Relief 1 EA 09/05/2019
SPE7MC19T185Q Valve, Safety Relief 2 EA 09/19/2019

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644XB-4-12-27 Cross Reference
  • 644XB-4-12-27