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		                        | National Stock Number:
 5310-01-423-4788
 
 Federal Supply Class:
 5310
 
 National Item Identification Number:
 014234788
 
 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:
 
 | 641-D-9535 ITEM | 09647 | AQUA-CHEM INC. |  | 641-D-9535 ITEM 44 | 09647 | AQUA-CHEM INC. |  | 641-D-9535 ITEM 44L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 641-D-9535 ITEM L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 869-8351L1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |  | 869-8351 | 09647 | AQUA-CHEM INC. |  | NUT, 5/8-11 UNC-2B, NICUALL1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 
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 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | ZZZY |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS | 
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