4820-01-407-0682
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-407-0682
- (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
- 01/20/1995 (31 years ago)
union bonnet attachment method, spring disk loading method, 4 all ends bolt hole quantity, disk flow control device, inside spring bonnet type
Specs & Compatibility
disk
inside spring
union
spring
4 all ends
400.0 fahrenheit single response
seawolf class ssn
automatic
round with holes all ends
flange all ends
1.500 inches
285.0 pounds per square inch single response
15.0 pounds per square inch
5.000 inches all ends
0.688 inches all ends
4.750 inches
0.625 inches all ends
4.750 inches
3.875 inches all ends
raised straight all ends
0.062 inches all ends
2.875 inches all ends
steel body
steel corrosion resisting flow control device
steel corrosion resisting seat
steel corrosion resisting stem
steam single response
angle flanged ends
1 lever
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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