4820-00-950-4273
Check Valve
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Official Item Classification
- Name
- Check Valve
- (NSN) National Stock Number
- 4820-00-950-4273
- (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
- 01/01/1962 (64 years ago)
pressed-in renewable seat ring type, 3a all ends thread class, spring disk loading method, poppet flow control device, right-hand all ends thread direction
Specs & Compatibility
3a all ends
right-hand all ends
poppet
spring
pressed-in
275.0 fahrenheit single response
plain (tube) all ends
automatic
threaded external tube all ends
horizontal or vertical
3000.0 pounds per square inch single response
0.562 inches all ends
5.0 pounds per square inch
steel comp 431 body
steel comp 440c flow control device
oil, hydraulic single response
passivate
straight thru
unjf all ends
Regulatory Compliance
Precious metal content is unknown
The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0005487