4820-00-446-3321
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-00-446-3321
- (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)
right-hand 1st end thread direction, 0.500 inches 1st end nominal pipe size accommodated, 0.500 inches 2nd end nominal pipe size accommodated, right-hand 2nd end thread direction, disk flow control device
Specs & Compatibility
0.500 inches 1st end
0.500 inches 2nd end
right-hand 1st end
right-hand 2nd end
disk
inside spring
threaded
spring
300.0 fahrenheit single response
plain (pipe) 2nd end
plain,optional end(pipe) 1st end
automatic
threaded external pipe 2nd end
threaded internal pipe 1st end
pressure tight outlet side
+500.0 to 700.0 pounds per square inch
1200.0 pounds per square inch single response
0.500 inches 1st end
0.500 inches 2nd end
steel corrosion resisting body
steel corrosion resisting seat
water, fresh single response
angle
npt 2nd end
npt 1st end
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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