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National Stock Number:
5310-01-385-5644
Federal Supply Class:
5310
National Item Identification Number:
013855644
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:
| 5/16-18SSN | 22501 | HOWELL LABORATORIES INC | | 5981 ITEM NO. 6 | 22501 | HOWELL LABORATORIES INC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
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