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		                        | National Stock Number:
 4820-00-489-8565
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004898565
 
 Description:
 VALVE,CHECK
 
 Detail:
 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.
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 Manufacturer Information:
 
 | 249-T-8BT | 82340 | L3HARRIS TECHNOLOGIES, INC. |  | 446-8S2-6 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |  | 58236-1 | 82340 | L3HARRIS TECHNOLOGIES, INC. |  | 58236-1 | 84075 | MCKIERNAN-TERRY MARINE DIV OF LITTON SYSTEMS INC |  | 446-8SS2-6 | 86768 | TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT |  | 58236-1 | 9Y580 | L3HARRIS TECHNOLOGIES, INC. | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 303 BODY |  |  | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | POPPET |  | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED INTERNAL TUBE 2ND END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |  |  | FLARE (TUBE) 2ND END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES 2ND END |  | THREAD SERIES DESIGNATOR | UNJ 1ST END |  |  | UNF 2ND END |  | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |  |  | 0.750 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 16 1ST END |  | THREAD CLASS | 3A 1ST END |  |  | 3B 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  |  | RIGHT-HAND 2ND END |  | MOUNTING POSITION | HORIZONTAL OR |  |  | VERTICAL |  | DISK LOADING METHOD | SPRING | 
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