5306-01-400-0487 BOLT,MACHINE Index 5315-01-400-0489 PIN,GROOVED,HEADED

National Stock Number:
5310-01-400-0488

Federal Supply Class:
5310

National Item Identification Number:
014000488

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:
21105532753711NAVAL SEA SYSTEMS COMMAND
243-6408950 FIND 653711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE3.250 INCHES
NUT HEIGHT4.810 INCHES NOMINAL
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH4
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS5.000 INCHES MINIMUM


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