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		                             National Stock Number: 5310-01-206-2170
  Federal Supply Class: 5310
  National Item Identification Number: 012062170
  Description: NUT,PLAIN,HEXAGON
  Detail: A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.) 
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  Manufacturer Information:
 | 073-007876-002 | 26916 | NORTHROP GRUMMAN SYSTEMS CORPORATION |  | 5904210-1 | 45153 | HAMILTON SUNDSTRAND CORPORATION |  | 8210-A-0440-17 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV |  | 8210-A-0440-17 | 1YGB8 | CAREY MANUFACTURING CO, INC |  | 5904210-1 | 55820 | RTX CORPORATION |  | 5904210-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION |  | 9284 | 83330 | DIALIGHT CORPORATION |  | 9284 | 91967 | HALSIT HOLDINGS LLC |   
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  Techincal Specification:
 | BEARING SURFACE TYPE | FLAT |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/3,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | ALUMINUM ALLOY 2011 OVERALL |  | NOMINAL THREAD SIZE | 0.112 INCHES |  | NUT HEIGHT | 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |  | NUT STYLE | HEXAGON |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | CHROMATE OVERALL |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 40 |  | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |  | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |   
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