4820-00-009-5209
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-009-5209
- (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
- 08/04/1972 (54 years ago)
280.0 fahrenheit single response maximum operating temp, right-hand 1st end thread direction, spring disk loading method, 3a 1st end thread class, poppet flow control device
Specs & Compatibility
3a 1st end
right-hand 1st end
poppet
spring
280.0 fahrenheit single response
-40.0 fahrenheit
plain (tube) 1st end
automatic
threaded external tube 1st end
200.0 pounds per square inch single response
0.437 inches 1st end
42.0 pounds per square inch
aluminum alloy 2024 and rubber butadiene-acrylonitrile class nbr flow control device
aluminum alloy 2024 body
aluminum alloy 2024 seat
qq-a-225/6,alloy2024,t4 fed spec single material response body
qq-a-225/6,alloy2024,t4 fed spec single material response flow control device
qq-a-225/6,alloy2024,t4 fed spec single material response seat
acetylene 2nd response
air 1st response
ammonia, gaseous 3rd response
hydrogen 5th response
refrigerant 12 4th response
straight thru w/baffle
unjf 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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