4820-01-072-9532
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-072-9532
- (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
- 03/07/1979 (47 years ago)
poppet flow control device, spring disk loading method, 250.0 fahrenheit single response maximum operating temp, right-hand 1st end thread direction, plain (pipe) 1st end connection style
Specs & Compatibility
right-hand 1st end
poppet
spring
250.0 fahrenheit single response
plain (pipe) 1st end
automatic
threaded external pipe 1st end
200.0 pounds per square inch single response
0.500 inches 1st end
40.0 pounds per square inch
aluminum and rubber butadiene-acrylonitrile class nbr body
acetylene 2nd response
air 1st response
ammonia, gaseous 3rd response
hydrogen 5th response
refrigerant 12 4th response
anodize
straight thru w/baffle
npt 1st end
1 deflector cap
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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