4820-00-481-6686
Check Valve
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Official Item Classification
- Name
- Check Valve
- (NSN) National Stock Number
- 4820-00-481-6686
- (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
- 09/11/1970 (56 years ago)
poppet flow control device, right-hand 1st end thread direction, 0.250 inches 2nd end nominal pipe size accommodated, 3a 1st end thread class, right-hand 2nd end thread direction
Specs & Compatibility
0.250 inches 2nd end
3a 1st end
right-hand 1st end
right-hand 2nd end
poppet
spring
pressed-in
400.0 fahrenheit single response
inverted flare (tube) 1st end
plain (pipe) 2nd end
automatic
threaded external pipe 2nd end
threaded external tube 1st end
horizontal or vertical
3000.0 pounds per square inch single response
0.250 inches 2nd end
0.437 inches 1st end
37.0 degrees 1st end
0.250 inches 1st end
cracking pressure 1.0 psi
steel comp 316 flow control device
fuel/oil, hydrocarbon single response
straight thru
npt 2nd end
unf 1st end
Regulatory Compliance
Precious metal content is unknown
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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