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National Stock Number:
5310-00-012-1983
Federal Supply Class:
5310
National Item Identification Number:
000121983
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:
| 121983 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | 121983 | 24617 | GENERAL MOTORS CORP | | 121983 | 7X677 | GENERAL MOTORS LLC | | FFB571TYPEA | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NONDEFINITIVE SPEC/STD DATA | A TYPE | | NUT HEIGHT | 0.473 INCHES MINIMUM AND 0.496 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.8610 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNF |
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