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		                        | National Stock Number:
 5310-01-476-3708
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 014763708
 
 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:
 
 | 12387303 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |  | 12387303-57 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | 
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 Techincal Specification:
 
 | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |  | HARDNESS RATING | 121.0 BRINELL STANDARD MINIMUM |  | NOMINAL THREAD SIZE | 0.750 INCHES |  | NUT HEIGHT | 0.398 INCHES MINIMUM AND 0.446 INCHES MAXIMUM |  | NUT STYLE | HEXAGON |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 10 |  | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |  | WIDTH ACROSS FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM | 
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