5305-01-395-9640 SCREW,SHOULDER Index 5310-01-395-9642 NUT,PLAIN,HEXAGON

National Stock Number:
5310-01-395-9641

Federal Supply Class:
5310

National Item Identification Number:
013959641

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:
6695839-253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE2.000 INCHES
NUT HEIGHT1.925 INCHES MINIMUM AND 2.013 INCHES MAXIMUM
NUT STYLEHEXAGON
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH4-1/2
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS3.025 INCHES MINIMUM AND 3.125 INCHES MAXIMUM


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