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		                        | National Stock Number:
 4820-00-914-0975
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 009140975
 
 Description:
 COCK,SHUTOFF,SCREW STEM
 
 Detail:
 A COMPACT TWO-WAY TYPE OF VALVE MECHANISM HAVING A ONE PIECE BODY AND SEAT AND A ONE PIECE STEM AND DISK. IT HAS NO BONNET, AND IS NOT USED FOR FINE CONTROL OF FLOW. IT IS USED EXTENSIVELY IN THE AUTOMOTIVE FIELD.
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 Manufacturer Information:
 
 | 592789 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | 
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 Techincal Specification:
 
 | MATERIAL | COPPER ALLOY OVERALL |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | DISK OR |  |  | STEM |  | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE OPERATION METHOD | MANUAL |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL PIPE 2ND END |  | CONNECTION STYLE | COMPRESSION (TUBE) 1ST END |  |  | PLAIN (PIPE) 2ND END |  | SEAT NOMINAL RADIUS | 0.062 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNS 1ST END |  |  | NPTF 2ND END |  | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |  |  | 0.250 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 24 1ST END |  | THREAD CLASS | 3A 1ST END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  |  | RIGHT-HAND 2ND END |  | FURNISHED ITEMS AND QUANTITY | 1 NUT AND |  |  | 1 FERRULE |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 21450 |  | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 592789 | 
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