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		                             National Stock Number: 4730-01-440-3034
  Federal Supply Class: 4730
  National Item Identification Number: 014403034
  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:
 | NA30330-44 | 08118 | EATON AVIATION CORPORATION |   
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  Techincal Specification:
 | THREAD SERIES | UN |  | NOMINAL THREAD SIZE | 3.500 INCHES |  | THREAD QUANTITY PER INCH | 16 |  | THREAD CLASS | 2B |  | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | NOMINAL TUBE OUTSIDE DIAMETER | 3.000 INCHES |   
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