4820-01-385-9137
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-385-9137
- (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
- 01/21/1994 (32 years ago)
spring disk loading method, 1.000 inches 1st end nominal pipe size accommodated, -20.0 fahrenheit minimum operating temp, 0.750 inches 2nd end nominal pipe size accommodated, 400.0 fahrenheit single response maximum operating temp
Specs & Compatibility
0.750 inches 2nd end
1.000 inches 1st end
spring
400.0 fahrenheit single response
-20.0 fahrenheit
socket all ends
automatic
unthreaded internal pipe all ends
2000.0 pounds per square inch single response
90.0 pounds per square inch
carbon steel(phosphated)spring;orifice area 0.110 sq.in.
steel comp 316 body
steel comp 316 flow control device
steel comp 410 stem
astm a276 cond t assn std single material response stem
astm a479 assn std single material response body
astm a479 assn std single material response flow control device
air 1st response
steam 2nd response
angle
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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