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

Safety Relief Valve

Model / MPN: 636B-3-3/8-2 | NSN: 4820-00-311-5041
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
4820-00-311-5041
Sold in multiples of
1 EA
DEMIL
NO
Pipe Size Accommodated
0.375 inches 1st end
Pipe Size Accommodated
0.375 inches 2nd end
Thread Direction
Right-hand 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
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
Bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
18 2nd end
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+40.0/+125.0 pounds per square inch
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.375 inches 2nd end
Thread Size
0.375 inches 1st end
Opening Pressure Setting
90.0 pounds per square inch
Material
Rubber synthetic seat
Material
Steel comp 303 flow control device
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Angle
Thread Series Designator
Npt 2nd end
Thread Series Designator
Npt 1st end
Furnished Items And Quantity
1 cap

Pricing and Availability

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636B-3-3/8-2 Cross Reference
  • 636B3 3-8 2