4820-00-166-9183
Restrictor Check Valve
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Official Item Classification
- Name
- Restrictor Check Valve
- (NSN) National Stock Number
- 4820-00-166-9183
- (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
- 02/07/1973 (53 years ago)
right-hand all ends thread direction, 160.0 fahrenheit single response maximum operating temp, plain (pipe) all ends connection style, automatic valve operation method, 0.171 inches nominal aperture diameter
Specs & Compatibility
right-hand all ends
0.171 inches nominal
160.0 fahrenheit single response
plain (pipe) all ends
automatic
threaded external pipe all ends
horizontal or vertical
125.0 pounds per square inch single response
0.500 inches all ends
copper alloy body
rubber synthetic flow control device
water, fresh single response
chromium
straight thru
flow control device: diaphragm
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.
0020520