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

Safety Relief Valve

Model / MPN: 9523 551 T 650PSI | NSN: 4820-01-050-9077
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
4820-01-050-9077
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
180.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Unthreaded internal tube 2nd end
Connection Type
Unthreaded internal tube 1st end
Adjustable Pressure Range
+551.0/+650.0 pounds per square inch
Maximum Operating Pressure
650.0 pounds per square inch single response
Outside Diameter Tube Accommodated
0.500 inches 2nd end
Outside Diameter Tube Accommodated
0.750 inches 1st end
Material
Copper alloy body
Material
Steel comp 303 flow control device
Material
Steel comp 304 seat
Material Specification
Fed standard 66aisi 304/sae 30304 federal standard single material response seat
Material Specification
Qq-c-390, alloy d4/d/ federal specification single material response body
Material Specification
Qq-s-764, type 303-canceled federal specification single material response flow control device
Media For Which Designed
Water-oil-gas single response

Pricing and Availability

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9523 551 T 650PSI Cross Reference
  • 189-CS-167 551 T 650PSI
  • D49-30UU-02 1/2 IN
  • D49-30UU-02 1/2 IN
  • 9523
  • 189-CS-167 551 T 650PSI
  • D49-30UU-02 1/2 IN
  • D49-30UU-02 1/2 IN
  • 9523
  • 189-CS-167 551 T 650PSI
  • D49-30UU-02 1/2 IN
  • D49-30UU-02 1/2 IN
  • 9523
  • 189-CS-167 551 T 650PSI
  • D49-30UU-02 1/2 IN
  • D49-30UU-02 1/2 IN
  • 9523