4820-01-307-9309
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-307-9309
- (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
- 09/19/1989 (37 years ago)
650.0 fahrenheit single response maximum operating temp, inside screw bonnet type, 8 all ends bolt hole quantity, bolted bonnet attachment method, disk flow control device
Specs & Compatibility
disk
inside screw
bolted
8 all ends
650.0 fahrenheit single response
automatic
round with holes all ends
flange all ends
3.000 inches
+156.0 to 180.0 pounds per square inch
350.0 pounds per square inch single response
8.250 inches 2nd end
9.000 inches 1st end
0.938 inches 1st end
1.125 inches 2nd end
6.094 inches
0.750 inches 1st end
0.875 inches 2nd end
6.969 inches
6.625 inches 2nd end
7.500 inches 1st end
raised straight all ends
0.062 inches all ends
5.000 inches 2nd end
6.188 inches 1st end
steel 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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