4820-01-342-0571
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-342-0571
- (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
- 07/14/1991 (35 years ago)
spring disk loading method, 150.0 fahrenheit single response maximum operating temp, nimitz class cvn end item identification, disk flow control device, 2.000 inches all ends nominal pipe size accommodated
Specs & Compatibility
2.000 inches all ends
disk
spring
150.0 fahrenheit single response
nimitz class cvn
socket with brazing ring all ends
automatic
unthreaded internal pipe all ends
pressure tight outlet side
+91.0 to 105.0 pounds per square inch
400.0 pounds per square inch single response
copper alloy 360 body
nickel alloy flow control device
nickel alloy seat
nickel alloy stem
astm b164 assn std single material response flow control device
astm b164 assn std single material response stem
astm b61 assn std single material response body
qq-n-288 fed spec single material response seat
angle
81349-mil-v-24332 government specification
b grade
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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