4820-01-421-3417
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-421-3417
- (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
- 11/06/1995 (30 years ago)
-20.0 fahrenheit minimum operating temp, 450.0 fahrenheit single response maximum operating temp, strategic sealift conversion ships class end item identification, 4 all ends bolt hole quantity, spring disk loading method
Specs & Compatibility
spring
4 all ends
450.0 fahrenheit single response
-20.0 fahrenheit
strategic sealift conversion ships class
automatic
round with holes all ends
flange all ends
1.500 inches
75.0 pounds per square inch
5.000 inches 2nd end
7.500 inches 1st end
0.688 inches 2nd end
0.938 inches 1st end
4.875 inches
0.625 inches 2nd end
0.750 inches 1st end
5.125 inches
3.875 inches 2nd end
6.000 inches 1st end
raised straight all ends
0.062 inches 1st end
0.688 inches 2nd end
4.250 inches 1st end
steel comp 416 stem
steel uns j03002 body
angle flanged 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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