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National Stock Number:
5310-21-901-8191
Federal Supply Class:
5310
National Item Identification Number:
219018191
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:
| ANSIB18.2.2 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | B-92 | 94223 | SPAENAUR INC DBA SPAENAUR INC. |
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Techincal Specification:
| BEARING SURFACE TYPE | ANY ACCEPTABLE | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.265 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.489 INCHES MINIMUM ERR-100 ERR-100 | | WIDTH ACROSS FLATS | 0.5 INCHES MAXIMUM ERR-100 ERR-100 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNC |
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