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National Stock Number:
5310-00-152-9453
Federal Supply Class:
5310
National Item Identification Number:
001529453
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:
| SP198A4A | 86845 | THE MARQUARDT COMPANY |
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Techincal Specification:
| THREAD SERIES | UNF | | NOMINAL THREAD SIZE | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 1137 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | HARDNESS RATING | 33.0 ROCKWELL C NOMINAL | | NUT STYLE | HEXAGON | | NUT HEIGHT | 0.109 INCHES MINIMUM AND | | 0.141 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND | | 0.440 INCHES MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 2 DRILLED | | DRILLED HOLE DIAMETER | 0.045 INCHES NOMINAL | | BEARING SURFACE TYPE | CHAMFERED | | TEMP RATING | 550.0 DEG CELSIUS NOMINAL | | BEARING SURFACE FINISH | 125.0 MICROINCHES |
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