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National Stock Number:
5310-00-877-9491
Federal Supply Class:
5310
National Item Identification Number:
008779491
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:
| 540-9440-003 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| BEARING SURFACE TYPE | WASHER FACED | | COUNTERBORE DIAMETER | 0.145 INCHES MINIMUM AND 0.160 INCHES MAXIMUM NUT | | COUNTERSINK ANGLE | 60.0 DEGREES NOMINAL NUT | | MATERIAL | ALUMINUM ALLOY 2017 OVERALL | | NOMINAL THREAD SIZE | 0.138 INCHES | | NUT HEIGHT | 0.242 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.304 INCHES MINIMUM AND 0.320 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
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