5310-01-343-4220 NUT,PLAIN,HEXAGON Index 5310-01-343-4222 NUT,PLAIN,EXTENDED WASHER,HEXAGO

National Stock Number:
5310-01-343-4221

Federal Supply Class:
5310

National Item Identification Number:
013434221

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:
1150002124617GENERAL MOTORS CORP
115000217X677GENERAL MOTORS LLC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
HARDNESS RATING30.0 ROCKWELL C MAXIMUM
NUT HEIGHT7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
NOMINAL THREAD SIZE10.0 MILLIMETERS
WIDTH ACROSS FLATS16.73 MILLIMETERS MINIMUM AND 17.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESM
THREAD PITCH IN MILLIMETERS1.50
THREAD TOLERANCE CLASS6H INTERNAL


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