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National Stock Number:
5310-00-781-1289
Federal Supply Class:
5310
National Item Identification Number:
007811289
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:
| 3A012-13 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| DRILLED HOLE DIAMETER | 0.047 INCHES NOMINAL | | BEARING SURFACE FINISH | 250.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD SIZE | 0.812 INCHES | | NUT HEIGHT | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | 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 SERIES | UNEF | | THREAD QUANTITY PER INCH | 20 | | WIDTH ACROSS FLATS | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
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