5310-01-574-5522 WASHER,FLAT Index 5310-01-574-5609 WASHER,FLAT

National Stock Number:
5310-01-574-5580

Federal Supply Class:
5310

National Item Identification Number:
015745580

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:
90499A82739428MCMASTER-CARR SUPPLY CO


Techincal Specification:
BEARING SURFACE TYPEFLAT
HARDNESS RATING24.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX NUT
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.562 INCHES
NUT HEIGHT0.484 INCHES NOMINAL
NUT STYLEHEXAGON
SPECIFICATION/STANDARD DATA80204-ANSI B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION AND 05047-SAME B18.0 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
SUPPLEMENTARY FEATURESMATERIAL-GRADE 8 SREEL, STEEL COMP 1021 THRU STEEL COMP 1045
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF
WIDTH ACROSS FLATS0.875 INCHES NOMINAL


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