5305-00-515-2754 SCREW,MACHINE Index 5306-00-515-2757 BOLT,MACHINE

National Stock Number:
5310-00-515-2756

Federal Supply Class:
5310

National Item Identification Number:
005152756

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:
515275619204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1018 OR STEEL COMP 1022 OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT HEIGHT0.281 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIAL FEATURES0.750 IN. RADIUS TOP OF NUT
WIDTH ACROSS FLATS0.562 INCHES NOMINAL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF


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