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National Stock Number:
5310-01-439-4187
Federal Supply Class:
5310
National Item Identification Number:
014394187
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:
| 333-12000 | 9F512 | PARKER-HANNIFIN CORPORATION | | 61D4 | 89749 | CLARK MATERIAL HANDLING COMPANY | | B18.2.2 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | M19-21121 | 9F512 | PARKER-HANNIFIN CORPORATION | | M19-21121-D PC 155 | 9F512 | PARKER-HANNIFIN CORPORATION | | PL-M19-21121-D PC 155 | 9F512 | PARKER-HANNIFIN CORPORATION |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | THREAD QUANTITY PER INCH | 20 | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
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