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		                        | National Stock Number:
 5310-37-521-2271
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 375212271
 
 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:
 
 | KDS-1015-4009 | 3999F | DEFENSE ACQUISITION PROGRAM ADMINISTRATION, R.O.K |  | KSB1012 | 9997F | AGENCY FOR TECHNOLOGY AND STANDARDS |  | KSB1012-HN-S2-A-M10-12-STS | 1574F | WIA CO.,LTD |  | KSB1012-HN-S2-A-M10-12-STS | 3999F | DEFENSE ACQUISITION PROGRAM ADMINISTRATION, R.O.K | 
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