4820-01-222-7809
Check Valve
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Official Item Classification
- Name
- Check Valve
- (NSN) National Stock Number
- 4820-01-222-7809
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 05487
- (FIIG) Federal Item Identification Guide
- A530B0
- Date
- 12/17/1985 (40 years ago)
disk flow control device, 250.0 fahrenheit single response maximum operating temp, plain (pipe) all ends connection style, right-hand all ends thread direction, spring disk loading method
Specs & Compatibility
right-hand all ends
disk
spring
250.0 fahrenheit single response
plain (pipe) all ends
automatic
threaded external pipe all ends
horizontal or vertical
5000.0 pounds per square inch single response
0.250 inches all ends
nominal cracking pressure 2 - 4 psi
aluminum alloy 2024 body
qq-a-225/6 fed spec single material response body
acetylene 2nd response
air 1st response
ammonia, liquid 4th response
ammonia, gaseous 3rd response
carbon dioxide 5th response
straight thru
npt all 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.
0005487
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