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		                        | National Stock Number:
 5310-01-608-6817
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 016086817
 
 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:
 
 | 218041149 | 96169 | ELECTRIC BOAT CORPORATION |  | 593-7067140-30 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 7067140 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | MIL-S-1222 TY3GR8 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | H577-3303-30 | 96169 | ELECTRIC BOAT CORPORATION | 
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 Techincal Specification:
 
 | BEARING SURFACE TYPE | FLAT |  | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT HEAVY HEX |  | MATERIAL | STEEL OVERALL |  | NOMINAL THREAD SIZE | 1.500 INCHES |  | NUT HEIGHT | 1.433 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |  | NUT STYLE | HEXAGON |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 6 |  | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |  | WIDTH ACROSS FLATS | 2.300 INCHES MINIMUM AND 2.375 INCHES MAXIMUM | 
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