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National Stock Number:
5310-00-022-0073
Federal Supply Class:
5310
National Item Identification Number:
000220073
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:
| 20501-52 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | | 20501-52 | 64547 | HONEYWELL INTERNATIONAL, INC | | 220073 | 24617 | GENERAL MOTORS CORP | | 220073 | 29930 | INTERNATIONAL HARVESTER CO AGRICULTURAL EQUIPMENT DIV | | 220073 | 7X677 | GENERAL MOTORS LLC | | 20501-52 | 83298 | ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE | | BBAX1E1 | 00000 | ORDNANCE CORPS | | FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MP157-4 | 91340 | MET-PRO CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNC | | NOMINAL THREAD SIZE | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OR | | ZINC OVERALL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.427 INCHES MINIMUM AND | | 0.448 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.737 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | BEARING SURFACE TYPE | CHAMFERED OR | | WASHER FACED | | NONDEFINITIVE SPEC/STD DATA | 5 TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB571TYPEA |
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