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		                        | National Stock Number:
 4730-00-439-6487
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004396487
 
 Description:
 ADAPTER,STRAIGHT,PIPE TO BOSS
 
 Detail:
 AN ADAPTER HAVING STANDARD PIPE THREADS ON ONE END OR AN UNTHREADED END DESIGNED TO ACCOMMODATE A PIPE. THE OTHER END HAS EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) AND IS DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE TO FORM A SEAL AT THE BOSS. IT IS DESIGNED TO JOIN A PIPE OR PIPE FITTING TO A BOSS OR BOSS FITTING IN A STRAIGHT LINE ON ITEMS SUCH AS TANKS, HOUSING, VALVE FITTINGS, OR THE LIKE. SEE ALSO ADAPTER BUSHING AND COUPLING, PIPE.
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 Manufacturer Information:
 
 | 10921044 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 1015 OR |  |  | STEEL COMP 1025 OVERALL |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |  |  | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | PLAIN (PIPE) 1ST END |  |  | GASKET SEAL (BOSS) 2ND END |  | FLANGE SHAPE | HEXAGON 1ST END |  | NOMINAL THICKNESS | 0.260 INCHES 1ST END |  | NOMINAL WIDTH ACROSS FLATS | 1.312 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | NPTF 1ST END |  |  | UNS 2ND END |  | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END |  |  | 1.000 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 14 2ND END |  | THREAD CLASS | 2A 2ND END |  | NOMINAL OVERALL LENGTH | 1.250 INCHES |  | SPECIAL FEATURES | M109A3 SP HOWITZER |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 19207 |  | DESIGN CONTROL REFERENCE | 10921044 | 
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