4820-01-059-3527
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-059-3527
- (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
- 04/10/1978 (48 years ago)
3b 2nd end thread class, right-hand all ends thread direction, 3a 1st end thread class, 275.0 fahrenheit single response maximum operating temp, poppet flow control device
Specs & Compatibility
3a 1st end
3b 2nd end
right-hand all ends
poppet
275.0 fahrenheit single response
-65.0 fahrenheit
external seat for gasket seal (boss) 1st end
gasket seal(boss) 2nd end
automatic
threaded external boss 1st end
threaded internal boss 2nd end
20 all ends
0.438 inches all ends
3.3 pounds per square inch
aluminum alloy 2024 body
straight thru note: to be used for valve bodies of one section only.
unj all ends
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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