4520-01-172-7741 HEATER,DUCT TYPE,STATIONARY Index 5310-01-172-7743 WASHER,FLAT

National Stock Number:
5310-01-172-7742

Federal Supply Class:
5310

National Item Identification Number:
011727742

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:
82A5027A600801365MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
91828A23139428MCMASTER-CARR SUPPLY CO
934/A2-M457730MACHIDA INCORPORATED


Techincal Specification:
BEARING SURFACE TYPEFLAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
NOMINAL THREAD SIZE4.0 MILLIMETERS
NUT STYLEHEXAGON
NUT HEIGHT3.2 MILLIMETERS NOMINAL
WIDTH ACROSS FLATS7.0 MILLIMETERS NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESISO M
THREAD PITCH IN MILLIMETERS0.70
THREAD TOLERANCE CLASS6H INTERNAL


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