5310-00-266-0488 NUT,PLAIN,HEXAGON Index 5310-00-266-0490 NUT,PLAIN,SLOTTED,HEXAGON

National Stock Number:
5310-00-266-0489

Federal Supply Class:
5310

National Item Identification Number:
002660489

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:
3021031UVT5BRP US INC
30210321119EVINRUDE MOTORS PRODUCT GROUP OF OUTBOARD MARINE CORP
30210332195OUTBOARD MARINE CORP JOHNSON MOTORS DIV
302103D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
302103U1621SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NUT HEIGHT0.172 INCHES NOMINAL
NUT STYLEHEXAGON
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.547 INCHES MINIMUM AND 0.563 INCHES MAXIMUM


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