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National Stock Number:
5310-00-551-6691
Federal Supply Class:
5310
National Item Identification Number:
005516691
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:
| FFB571TYPEA7 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | MIL-DTL-1222/TY1GR5 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY NOMINAL THREAD SIZE AND THREADS PER INCH | | NUT HEIGHT | 0.642 INCHES MINIMUM AND 0.671 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.750 INCHES | | NONDEFINITIVE SPEC/STD DATA | A7 TYPE | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 1.0450 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND |
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