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National Stock Number:
5310-99-236-7641
Federal Supply Class:
5310
National Item Identification Number:
992367641
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:
| BS3692 | K7766 | BRITISH STANDARDS INSTITUTION | | G413/4592 ITEM 18 | K7705 | KNDS DEFENCE UK LIMITED | | G413/4592/18 | K7705 | KNDS DEFENCE UK LIMITED | | G413/4592 ITEM 18 | K7706 | JENKINS VALVE RE-SEATERS LTD |
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Techincal Specification:
| NUT HEIGHT | 15.57 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-20 MIL STD 1ST TREATMENT RESPONSE AND DEF SPEC 130 MIL STD 2ND TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND CHROMATE AND PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD PITCH IN MILLIMETERS | 2.50 | | THREAD TOLERANCE CLASS | 6H INTERNAL | | THREAD SERIES | ISO M | | BEARING SURFACE TYPE | CHAMFERED | | HARDNESS RATING | 302.0 BRINELL STANDARD MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 20.00 MILLIMETERS |
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