5307-00-264-0259 STUD,SELF-LOCKING Index 9540-00-264-0265 ANGLE,STRUCTURAL

National Stock Number:
5310-00-264-0261

Federal Supply Class:
5310

National Item Identification Number:
002640261

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.)


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4037 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT COUNTERBORE DEPTH0.031 INCHES NOMINAL NUT
NUT HEIGHT0.328 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURESCORNERS OF HEXAGON WITH V SLOTS AND 0.156 IN. FROM TOP OF NUT TO BOTTOM OF SLOT
WIDTH ACROSS FLATS0.562 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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