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National Stock Number:
5310-00-637-0580
Federal Supply Class:
5310
National Item Identification Number:
006370580
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:
| 191-58139 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| BEARING SURFACE FINISH | 125.0 MICROINCHES | | BEARING SURFACE TYPE | WASHER FACED | | COUNTERSINK ANGLE | 119.5 DEGREES MINIMUM AND 120.5 DEGREES MAXIMUM NUT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD SIZE | 1.438 INCHES | | NUT HEIGHT | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | CORNERS OF HEX ROUNDED TO A RADIUS OF FROM 1.781 TO 1.844 | | WIDTH ACROSS FLATS | 1.688 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNEF |
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