4820-00-446-3515
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-446-3515
- (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
- 01/01/1963 (63 years ago)
spring disk loading method, right-hand all ends thread direction, inside spring bonnet type, disk flow control device, threaded bonnet attachment method
Specs & Compatibility
right-hand all ends
disk
inside spring
threaded
spring
450.0 fahrenheit single response
plain (pipe) 1st end
plain,optional end(pipe) 2nd end
automatic
threaded external pipe 1st end
threaded internal pipe 2nd end
pressure tight outlet side
+26.0 to 75.0 pounds per square inch
250.0 pounds per square inch single response
0.375 inches all ends
copper alloy body
copper alloy flow control device
copper alloy seat
copper alloy stem
steam single response
angle
npt 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.
SMS
0005488
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