4820-00-297-0006
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-297-0006
- (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
- 10/03/1973 (53 years ago)
right-hand 1st end thread direction, 0.125 inches 1st end nominal pipe size accommodated, spring disk loading method, poppet flow control device, -70.0 fahrenheit 1st response450.0 fahrenheit 2nd response maximum operating temp
Specs & Compatibility
0.125 inches 1st end
right-hand 1st end
poppet
spring
-70.0 fahrenheit 1st response450.0 fahrenheit 2nd response
plain (pipe) 1st end
automatic
threaded external pipe 1st end
200.0 pounds per square inch single response
0.125 inches 1st end
28.3 pounds per square inch
silicon seat
steel comp 316 body
air 1st response
oil, chlorinated transformer 2nd response
oxygen, gaseous 3rd response
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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