5330-01-478-2102 RETAINER,PACKING Index 5340-01-478-2104 BRACKET,ANGLE

National Stock Number:
5310-01-478-2103

Federal Supply Class:
5310

National Item Identification Number:
014782103

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:
ISO4032-M4-B3BI9008INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE4.0 MILLIMETERS
NUT STYLEHEXAGON
NUT HEIGHT2.9 MILLIMETERS MINIMUM AND 3.2 MILLIMETERS MAXIMUM
WIDTH ACROSS FLATS6.78 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESISO M
THREAD TOLERANCE CLASS6H INTERNAL


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