Product Details | CHECK VALVE

4820-01-495-3476 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: 1366AS1146, 4820-01-495-3476, 01-495-3476, 4820014953476, 014953476

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 13 MAR 2002 01-495-3476

Drawings & Photos | NSN 4820-01-495-3476


Demand History | NSN 4820-01-495-3476

Part Number Request Date QTY Origin
SPC2-10-P-6T-25 2023-11-333 11 DIBBS
SPC2-10-P-6T-25 2023-11-327 6 DIBBS
1366AS1146 2023-06-170 2 JP
014953476 2010-08-223 3 United States

Cross Reference | NSN 4820-01-495-3476

Part Number Cage Code Manufacturer
1366AS1146 30003 NAVAL AIR SYSTEMS COMMAND

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Technical Data | NSN 4820-01-495-3476

Characteristic Specifications
MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING STEEL OVERALL
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE THREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLE B9 PLAIN ALL ENDS
THREAD SERIES DESIGNATOR UNJF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD QUANTITY PER INCH 18 ALL ENDS
THREAD CLASS A3B ALL ENDS
THREAD DIRECTION RIGHT-HAND ALL ENDS

Restrictions/Controls & Freight Information | NSN 4820-01-495-3476

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information