4540-01-257-2203 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-257-2205 NUT,SLEEVE

National Stock Number:
5310-01-257-2204

Federal Supply Class:
5310

National Item Identification Number:
012572204

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:
6V812711083CATERPILLAR INC


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD SIZE5.0 MILLIMETERS
NUT HEIGHT4.40 MILLIMETERS MINIMUM AND 4.70 MILLIMETERS MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH IN MILLIMETERS0.80
THREAD TOLERANCE CLASS6H INTERNAL
THREAD SERIESM


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