5310-01-550-9681 WASHER,FLAT Index 5310-01-551-3515 WASHER,SEAL

National Stock Number:
5310-01-551-0605

Federal Supply Class:
5310

National Item Identification Number:
015510605

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:
90636A0773A054MCMASTER-CARR SUPPLY CO


Techincal Specification:
HARDNESS RATING32.0 ROCKWELL C MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX DISTORED-THREAD LOCKNUT
MATERIALSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
SUPPLEMENTARY FEATURESSTYLE NUT IS DOUBLE CONCAVE, HEXAGON: OVERALL HEIGHT-NOMINAL 0.641 INCH: NUT WIDTH-NOMINAL 1.125 INCH
SURFACE TREATMENTCHROMATE ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH10


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