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
WIDTH ACROSS FLATS0.547 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)


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