4540-01-180-0074 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE Index 5310-01-180-0076 WASHER,KEY

National Stock Number:
5310-01-180-0075

Federal Supply Class:
5310

National Item Identification Number:
011800075

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:
17050-5760532997BOURNS INC
17050-5760557921BOURNS INC PRECISIONS/CONTROLS DIV


Techincal Specification:
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION18-8 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.093 INCHES NOMINAL
WIDTH ACROSS FLATS0.360 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
BEARING SURFACE TYPECHAMFERED


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