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		                        | National Stock Number:
 4820-00-725-2149
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007252149
 
 Description:
 VALVE,RESTRICTOR CHECK
 
 Detail:
 A VALVE HAVING AN ORIFICE IN THE POPPET, DISK, OR THE LIKE, TO PERMIT RESTRICTED FLUID FLOW WHEN THE VALVE IS SEATED. IT DOES NOT HAVE A STEM OR PROVISIONS FOR PRESSURE ADJUSTMENTS, AND IS SIMILAR TO A VALVE, CHECK WITH THE EXCEPTION OF THE ORIFICE WHICH PERMITS FLUID FLOW IN MORE THAN ONE DIRECTION.
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 Manufacturer Information:
 
 | F103 | 56984 | RONCO CORP |  | F10B | 92029 | DELTROL CORP DELTROL FLUID PRODUCTS DIV |  | HL-18122 PIECE 300 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY BODY |  |  | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |  |  | RUBBER SYNTHETIC PACKING |  | STYLE DESIGNATOR | STRAIGHT THRU |  | APERTURE DIAMETER | 0.107 INCHES NOMINAL |  | FLOW CONTROL DEVICE | CONE |  | MAXIMUM OPERATING PRESSURE | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT 1ST RESPONSE |  |  | 212.0 DEG FAHRENHEIT 2ND RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS |  | THREAD SERIES DESIGNATOR | NPTF ALL ENDS |  | NOMINAL THREAD SIZE | 0.125 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | MOUNTING POSITION | HORIZONTAL OR |  |  | VERTICAL | 
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