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National Stock Number:
5310-99-122-3179
Federal Supply Class:
5310
National Item Identification Number:
991223179
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:
| 204781 | K1631 | WESTINGHOUSE BRAKE & SIGNAL CO LTD | | 2248-412 | U1494 | GILBERT GILKES & GORDON LTD | | DK96-3 | K1631 | WESTINGHOUSE BRAKE & SIGNAL CO LTD | | SP116 | K3069 | PARSONS ENGINEERING CO LTD | | SP11G | K3069 | PARSONS ENGINEERING CO LTD | | BS1768 | K7766 | BRITISH STANDARDS INSTITUTION |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 110.0 DEGREES MINIMUM AND 130.0 DEGREES MAXIMUM BOTH ENDS | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.625 INCHES | | NUT HEIGHT | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.930 INCHES MINIMUM AND 0.938 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNF |
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