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		                             National Stock Number: 5310-00-180-3709
  Federal Supply Class: 5310
  National Item Identification Number: 001803709
  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:
 | R600-90A | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC |  | R600-90A | 56705 | DONALLCO INC |   
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  Techincal Specification:
 | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |  | DRILLED HOLE DIAMETER | 0.0465 INCHES NOMINAL |  | HOLE CONFIGURATION STYLE | CONFIGURATION A |  | HOLE TYPE AND QUANTITY | 6 DRILLED |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | COPPER ALLOY OVERALL |  | NOMINAL THREAD SIZE | 0.562 INCHES |  | NUT HEIGHT | 0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |  | NUT STYLE | HEXAGON |  | SPECIAL FEATURES | 0.046 TO 0.051 IN. W GROOVE ON HEX SURFACE |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | SURFACE TREATMENT | CADMIUM OVERALL |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD QUANTITY PER INCH | 18 |  | THREAD SERIES | UNF |  | WIDTH ACROSS FLATS | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |   
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