4820-00-449-4657
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-449-4657
- (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
- 02/16/1972 (54 years ago)
disk flow control device, 1.000 inches offset distance, 2b all ends thread class, right-hand all ends thread direction, spring disk loading method
Specs & Compatibility
2b all ends
right-hand all ends
1.000 inches
disk
spring
gasket seal(boss) all ends
automatic
threaded internal boss all ends
bracket
500.0 pounds per square inch single response
0.750 inches all ends
furnished w/2 mounting bolts
iron cast body
steel flow control device
tee w/offset
unf 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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