4820-00-564-9205
Restrictor Check Valve
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Official Item Classification
- Name
- Restrictor Check Valve
- (NSN) National Stock Number
- 4820-00-564-9205
- (FSG) Federal Supply Group
- 48 Valves
- (FSC) Federal Supply Classification
- 4820 Nonpowered Valves
- (INC) Item Name Code
- 20520
- (FIIG) Federal Item Identification Guide
- A530B0
- Date
- 11/21/1974 (51 years ago)
0.375 inches nominal aperture diameter, spring disk loading method, disk flow control device, grumman aerospace a10 aircraft end item identification, right-hand all ends thread direction
Specs & Compatibility
right-hand all ends
0.375 inches nominal
disk
spring
grumman aerospace a10 aircraft
plain, optional end (pipe) all ends
automatic
threaded internal pipe all ends
horizontal
0.375 inches all ends
steel overall
straight thru
npt all ends
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.
0020520
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