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Safety Relief Valve

Model / MPN: 5159T4MP30 | NSN: 4820-00-173-2025
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
4820-00-173-2025
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
0.500 inches 1st end
Pipe Size Accommodated
0.500 inches 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 2nd end
Connection Style
G9 plain, optional en (pipe) 1st end
Connection Style
Plain (pipe) 2nd end
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Thread Size
0.500 inches 2nd end
Opening Pressure Setting
30.0 pounds per square inch
Material
Rubber butadiene-acrylonitrile class nbr flow control device and steel comp 303se flow control device
Material
Steel comp 303se body
Material
Steel comp 303se seat
Material Specification
Qq-s-764, type303se-cancelded federal specification 2nd material response flow control device
Material Specification
Qq-s-764, type303se-canceled federal specification single material response body
Material Specification
Qq-s-764, type303se-canceled federal specification single material response seat
Media For Which Designed
Sulfur hexafluoride, gaseous single response
Style Designator
Straight through note: to be used for valve bodies of separable sections.
Test Data Document
17773-11290853 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Nptf 1st end
Thread Series Designator
Nptf 2nd end

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5159T4MP30 Cross Reference
  • 11290853-1