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National Stock Number:
5310-00-612-6174
Federal Supply Class:
5310
National Item Identification Number:
006126174
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:
| 3M298 REV C | 76301 | THE BOEING COMPANY | | 3M298C7 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.438 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 88.0 ROCKWELL B MINIMUM | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.281 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.615 INCHES MINIMUM AND | | 0.627 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | DRILLED HOLE DIAMETER | 0.046 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT | | TEMP RATING | 450.0 DEG FAHRENHEIT MINIMUM AND | | 800.0 DEG FAHRENHEIT MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | 3M298 REV C |
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