4820-01-152-7703
Safety Relief Valve
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Official Item Classification
- Name
- Safety Relief Valve
- (NSN) National Stock Number
- 4820-01-152-7703
- (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
- 05/07/1983 (43 years ago)
180.0 fahrenheit single response maximum operating temp, disk flow control device, integral bonnet attachment method, automatic valve operation method, inside spring bonnet type
Specs & Compatibility
disk
inside spring
integral
180.0 fahrenheit single response
automatic
round all ends
flange all ends
4.000 inches
300.0 pounds per square inch single response
70.0 pounds per square inch
10.000 inches all ends
1.062 inches all ends
5.812 inches
5.812 inches
plain all ends
copper alloy body
nickel alloy stem
rubber butadiene-acrylonitrile class nbr flow control device
qq-c390,alloy d4/d/ fed spec single material response body
qq-n-281 fed spec single material response stem
water, salt single response
angle flanged ends
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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