National Item Identification Number

01-431-8646

National Stock Number

Item Name

NUT,PLAIN,HEXAGON

Federal Supply Class

5310

Description

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.)

Commercial and Government Entity Code (Supplier Data)

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61404

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CERTANIUM ALLOYS AND RESEARCH CO
DIV OF PREMIER INDUSTRIAL CORP
4500 EUCLID AVE
CLEVELAND
OH
44103
216-432-7200

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Reference Numbers (Part Numbers)

21321

Required Categories

THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE

Required Description

UNC
0.312 INCHES
18
3B
RIGHT-HAND
STEEL OVERALL
NOT RATED
A12 HEXAGON
0.