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Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 831703 | NSN: 4820-00-699-0521
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
4820-00-699-0521
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
0.125 inches 2nd end
Thread Class
3b 1st end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
G42 flared (tube) 1st end
Connection Style
G46b plain (pipe) 2nd end
Connection Style
Flared (tube) 1st end
Connection Style
Plain (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded external tube 1st end
Thready Qty Per Inch (tpi)
20 1st end
Thready Qty Per Inch (tpi)
27 2nd end
Thread Size
0.125 inches 2nd end
Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy 2014 body
Material Specification
Qq-a-225/4, alloy2014 federal specification single material response body
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Npt 2nd end
Thread Series Designator
Unf 1st end
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16TJ458 Valve, Safety Relief 20 EA 08/11/2016
SPE7M317T1790 Valve, Safety Relief 12 EA 02/13/2017
SPE7M317T3378 Valve, Safety Relief 8 EA 03/27/2017
SPE7M317T4265 Valve, Safety Relief 8 EA 04/20/2017

Pricing and Availability

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831703 Cross Reference
  • K802258
  • 802258
  • K802258