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		                        | National Stock Number:
 4730-00-418-0369
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004180369
 
 Description:
 NUT,TUBE COUPLING
 
 Detail:
 AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.
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 Manufacturer Information:
 
 | N20012A | 00624 | EATON AEROQUIP LLC |  | N20012A | 08118 | EATON AVIATION CORPORATION |  | T1039 | 08118 | EATON AVIATION CORPORATION | 
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 Techincal Specification:
 
 | THREAD SERIES | UN |  | NOMINAL THREAD SIZE | 1.734 INCHES |  | THREAD QUANTITY PER INCH | 20 |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | NUT STYLE | TUBE COUPLING |  | NUT HEIGHT | 0.460 INCHES NOMINAL |  | SMALLEST INSIDE DIAMETER | 1.439 INCHES NOMINAL |  | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES |  | SPECIAL FEATURES | FOUR 0.040 IN. DIA HOLES | 
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