4820-01-277-5407
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-277-5407
- (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
- 04/22/1988 (38 years ago)
spring disk loading method, 1.250 inches all ends nominal pipe size accommodated, automatic valve operation method, disk flow control device, socket all ends connection style
Specs & Compatibility
1.250 inches all ends
disk
spring
socket all ends
automatic
unthreaded internal pipe all ends
+67.0 to 83.0 pounds per square inch
copper alloy 922 body
nickel alloy flow control device
nickel alloy seat
water-oil-gas single response
angle
Regulatory Compliance
Item does not contain precious metal.
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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