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Safety Relief Valve

Model / MPN: MC1603-1700 | NSN: 4820-00-554-8528
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
4820-00-554-8528
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
G42 flared (tube) 1st end
Connection Style
G60a plain (tube) 2nd end
Connection Style
Flared (tube) 1st end
Connection Style
Plain (tube) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Connection Type
Unthreaded external tube 2nd end
Features Provided
Valve stem lock shield and bonnet packing
Thready Qty Per Inch (tpi)
20 1st end
Maximum Operating Pressure
3630.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Seat Angle
37.0 degrees 1st end
Opening Pressure Setting
1700.0 pounds per square inch
Outside Diameter Tube Accommodated
0.250 inches 1st end
Outside Diameter Tube Accommodated
0.250 inches 2nd end
Material
Aluminum alloy body
Material
Aluminum alloy seat
Material
Stainless steel stem
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Unf 1st end
MC1603 Series Parts

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MC1603-1700 Cross Reference