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		                        | National Stock Number:
 5310-01-314-3075
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 013143075
 
 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:
 
 | D-2958 PIECE 10 | 87045 | WALZ & KRENZER INC | 
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 Techincal Specification:
 
 | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A194 GRADE 2H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |  | MATERIAL | STEEL UNS K04002 OVERALL |  | NOMINAL THREAD SIZE | 2.500 INCHES |  | THREAD CLASS | 2B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 8 |  | THREAD SERIES | UN | 
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