3120-01-485-4020 BEARING,SLEEVE Index 5365-01-485-4023 PLUG,MACHINE THREAD

National Stock Number:
5310-01-485-4021

Federal Supply Class:
5310

National Item Identification Number:
014854021

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:
122-7312139 PC 1653711NAVAL SEA SYSTEMS COMMAND
731213953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE3.000 INCHES
NUT STYLEHEXAGON
NUT HEIGHT1.000 INCHES NOMINAL
WIDTH ACROSS FLATS4.475 INCHES MINIMUM AND 4.625 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B
THREAD SERIESUNC
THREAD QUANTITY PER INCH4


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