4820-01-145-6676
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-145-6676
- (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
- 01/15/1983 (43 years ago)
disk flow control device, 150.0 fahrenheit single response maximum operating temp, streamlined with one brazing ring (tube) all ends connection style, inside spring bonnet type, threaded bonnet attachment method
Specs & Compatibility
disk
inside spring
threaded
150.0 fahrenheit single response
streamlined with one brazing ring (tube) all ends
automatic
unthreaded internal tube all ends
+106.0 to 120.0 pounds per square inch
400.0 pounds per square inch single response
1.250 inches all ends
copper alloy body
nickel alloy flow control device
nickel alloy seat
nickel alloy stem
qq-n-281 fed spec single material response flow control device
qq-n-281 fed spec single material response seat
qq-c-390,alloy d4/d/ fed spec single material response body
air single response
angle
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