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		                        | National Stock Number:
 4820-00-455-0567
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004550567
 
 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:
 
 | 71010020-001 | 89944 | ELBITAMERICA, INC. |  | 859A4TT | 91816 | CIRCOR AEROSPACE, INC. | 
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 Techincal Specification:
 
 | MATERIAL | ALUMINUM ALLOY 2024 BODY |  |  | ALUMINUM ALLOY 2024 SEAT |  | SURFACE TREATMENT | ANODIZE |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | POPPET |  | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 280.0 DEG FAHRENHEIT SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 20 1ST END |  | THREAD CLASS | 3A 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | MOUNTING POSITION | HORIZONTAL OR |  |  | VERTICAL |  | DISK LOADING METHOD | SPRING |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 89944 |  | MFR SOURCE CONTROLLING REFERENCE | 71010020-001 | 
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