55-4R3A5-A Safety Relief Valve
4820-01-351-9895
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Official Item Classification
- Name
- Safety Relief Valve
- Part Number
- 55-4R3A5-A
- (NSN) National Stock Number
- 4820-01-351-9895
- (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
- 01/17/1992 (34 years ago)
4920-01-312-2339 end item identification, right-hand all ends thread direction, 250.0 fahrenheit single response maximum operating temp, spring disk loading method, disk flow control device
Specs & Compatibility
right-hand all ends
disk
spring
250.0 fahrenheit single response
4920-01-312-2339
plain (pipe) 1st end
plain,optional end(pipe) 2nd end
automatic
threaded external pipe 1st end
threaded internal pipe 2nd end
+50.0 to 350.0 pounds per square inch
6000.0 pounds per square inch single response
0.250 inches all ends
steel comp 316 body
air single response
angle
npt all ends
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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