4820-01-337-3887
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-337-3887
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05488
- (FIIG) Federal Item Identification Guide
- A046B0
- Date
- 04/14/1991 (35 years ago)
406.0 fahrenheit 1st response300.0 fahrenheit 2nd response maximum operating temp, right-hand all ends thread direction, spring disk loading method, plain (pipe) 1st endplain,optional end(pipe) 2nd end connection style, disk flow control device
Specs & Compatibility
right-hand all ends
disk
spring
406.0 fahrenheit 1st response300.0 fahrenheit 2nd response
plain (pipe) 1st endplain,optional end(pipe) 2nd end
automatic or manual
threaded external pipe 1st endthreaded internal pipe 2nd end
250.0 pounds per square inch 1st response300.0 pounds per square inch 2nd response
0.750 inches all ends
68.0 pounds per square inch
copper alloy 836 bodycopper alloy 485 flow control devicecopper alloy 360 stem
angle
npt all ends
1 lever
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0005488
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