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National Stock Number:
5310-00-208-9756
Federal Supply Class:
5310
National Item Identification Number:
002089756
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:
| 159-54056 | 43999 | THE BOEING COMPANY |
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Techincal Specification:
| BEARING SURFACE FINISH | 100.0 MICROINCHES | | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | COUNTERSINK ANGLE | 119.5 DEGREES MINIMUM AND 120.5 DEGREES MAXIMUM NUT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1117 OR STEEL COMP 4130 OVERALL | | NOMINAL THREAD SIZE | 0.138 INCHES | | NUT HEIGHT | 0.099 INCHES MINIMUM AND 0.119 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2B | | THREAD DIRECTION | LEFT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES | UNC |
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