4940-01-018-9139 CUTTER,OPEN Index 5310-01-018-9142 WASHER,FLAT

National Stock Number:
5310-01-018-9141

Federal Supply Class:
5310

National Item Identification Number:
010189141

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.)


Manufacturer Information:
104125-383014HARTWELL CORPORATION
AN316C8R83014HARTWELL CORPORATION


Techincal Specification:
DRILLED HOLE DIAMETER0.470 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY3 DRILLED
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD SIZE0.500 INCHES
NUT HEIGHT0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.738 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD PITCH DIAMETERS+0.4675 TO 0.4717 INCHES
THREAD SERIESUNF


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