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		                             National Stock Number: 4730-00-200-0312
  Federal Supply Class: 4730
  National Item Identification Number: 002000312
  Description: NUT,TUBE COUPLING,REDUCING
  Detail: A TUBE COUPLING NUT WITH THE SHANK END ACCOMMODATING A SMALLER TUBE SIZE THAN IS ACCOMMODATED BY THE TUBE FITTING WHICH CONNECTS TO THE THREADED END.
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  Manufacturer Information:
 | 662FSNRS4-64 | 30327 | IMPERIAL |  | MIL-F-15049 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |   
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  Techincal Specification:
 | THREAD SERIES | UNF |  | NOMINAL THREAD SIZE | 0.625 INCHES |  | THREAD QUANTITY PER INCH | 18 |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | COPPER ALLOY 360 OVERALL |  | NUT STYLE | TUBE COUPLING |  | NUT HEIGHT | 0.719 INCHES MINIMUM AND |   | 1.063 INCHES MAXIMUM |  | WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL |  | LENGTH TO SHOULDER | 0.459 INCHES NOMINAL |  | SMALLEST INSIDE DIAMETER | 0.255 INCHES MINIMUM AND |   | 0.260 INCHES MAXIMUM |  | SEAT ANGLE | 45.00 DEGREES NOMINAL |  | FABRICATION METHOD | MACHINED |  | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 81349 |  | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-F-15049 |   
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