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		                             National Stock Number: 5310-01-390-9098
  Federal Supply Class: 5310
  National Item Identification Number: 013909098
  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:
 | 1680H-SS-1.000-12 | 51506 | ACCURATE SCREW MACHINE CORP |  | 2380-3118-SS-20 | 55566 | MATTHEW WARREN, INC |  | 8933-SS-3118 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV |  | 8933-SS-3118-7 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV |  | 8933-SS-3118 | 1YGB8 | CAREY MANUFACTURING CO, INC |  | 3113AS2204-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY  NOT MATERIAL/PARTS SUPPLIER |  | SS-6956-3118-1.000-01 | 05791 | LYN-TRON, INC. |  | 8933-SS-3118-7 | 1YGB8 | CAREY MANUFACTURING CO, INC |   
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  Techincal Specification:
 | BEARING SURFACE TYPE | WASHER FACED |  | NOMINAL THREAD SIZE | 0.312 INCHES |  | NUT HEIGHT | 1.000 INCHES NOMINAL |  | NUT STYLE | HEXAGON |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 18 |  | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |  | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |   
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