4820-01-220-7682
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-220-7682
- (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
- 11/19/1985 (40 years ago)
disk flow control device, threaded bonnet attachment method, inside screw bonnet type, 425.0 fahrenheit single response maximum operating temp, 0.375 inches all ends nominal pipe size accommodated
Specs & Compatibility
0.375 inches all ends
disk
inside screw
threaded
425.0 fahrenheit single response
socket with brazing ring all ends
automatic
unthreaded internal pipe all ends
+71.0 to 100.0 pounds per square inch
100.0 pounds per square inch single response
bronze body
bronze flow control device
copper alloy stem
air 1st response
hydraulic fluid, mineral base 2nd response
steam 3rd 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
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