4820PL0977404 Safety Relief Valve
4820-01-205-1082
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Official Item Classification
- Name
- Safety Relief Valve
- Part Number
- 4820PL0977404
- (NSN) National Stock Number
- 4820-01-205-1082
- (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
- 04/04/1985 (41 years ago)
plain (pipe) 1st end connection style, -40.0 fahrenheit 1st response maximum operating temp, right-hand 1st end thread direction, poppet flow control device, 250.0 fahrenheit 2nd response maximum operating temp
Specs & Compatibility
right-hand 1st end
poppet
-40.0 fahrenheit 1st response
250.0 fahrenheit 2nd response
plain (pipe) 1st end
automatic
threaded external pipe 1st end
+2.0 to 6.0 pounds per square inch
200.0 pounds per square inch single response
0.250 inches 1st end
5.0 pounds per square inch
rubber butadiene-acrylonitrile class nbr seat
steel comp 303 body
aisi 303 assn std single material response body
acetylene 2nd response
air 1st response
ammonia, gaseous 3rd response
hydrogen 5th response
refrigerant 12 4th response
straight thru w/baffle
npt 1st end
1 deflector cap
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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