4820-00-005-4903
Check Valve
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Official Item Classification
- Name
- Check Valve
- (NSN) National Stock Number
- 4820-00-005-4903
- (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
- 06/19/1972 (54 years ago)
spring disk loading method, 3a all ends thread class, right-hand all ends thread direction, poppet flow control device, -65.0 fahrenheit 2nd response maximum operating temp
Specs & Compatibility
3a all ends
right-hand all ends
poppet
spring
-65.0 fahrenheit 2nd response
225.0 fahrenheit 1st response
gasket seal (boss) all ends
automatic
threaded internal boss all ends
horizontal
3000.0 pounds per square inch single response
1.062 inches all ends
0.750 inches all ends
valve cracking pressure 5 psi
copper alloy 360 or copper alloy body
rubber synthetic or rubber packing
rubber synthetic seat
steel comp 303 and steel comp 304 flow control device
66,aisi 303/sae 30303 fed std 1st material response and 66,aisi 304/sae 30304 fed std 2nd material response flow control device
mil-g-1149 mil spec single material response seat
qq-c-676 mil spec single material response body
air 1st response
fuel/oil, hydrocarbon 2nd response
straight thru
unjf 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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