5320-01-435-6439 RIVET,SOLID Index 5310-01-435-6441 NUT,PLAIN,EXTENDED WASHER,HEXAGO

National Stock Number:
5310-01-435-6440

Federal Supply Class:
5310

National Item Identification Number:
014356440

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:
B18241B20080204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
THREAD SERIESM
NOMINAL THREAD SIZE20.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS2.50
THREAD TOLERANCE CLASS6H INTERNAL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL PROPERTY CLASS 10.9 OVERALL
SURFACE TREATMENTZINC OVERALL
NUT STYLEHEXAGON
NUT HEIGHT16.90 MILLIMETERS MINIMUM AND
18.00 MILLIMETERS MAXIMUM
WIDTH ACROSS FLATS29.16 MILLIMETERS MINIMUM AND
30.00 MILLIMETERS MAXIMUM
BEARING SURFACE TYPECHAMFERED


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