5310-00-639-5428 WASHER,FLAT Index 5306-00-639-5480 BOLT,INTERNAL WRENCHING

National Stock Number:
5310-00-639-5455

Federal Supply Class:
5310

National Item Identification Number:
006395455

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:
814640-299251MISSION SYSTEMS DAVENPORT INC.


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303S OVERALL
NOMINAL THREAD SIZE0.138 INCHES
NUT HEIGHT0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.246 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
THREAD SERIESUNF


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