5325-01-377-7243 RING,RETAINING Index 5340-01-377-7245 LOCK,OFFICE MACHINE

National Stock Number:
5310-01-377-7244

Federal Supply Class:
5310

National Item Identification Number:
013777244

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:
501148-862707DANA CORP SPICER TRAILER AXLE PLANT
863T0000517-01204236LOCKHEED MARTIN CORP


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MATERIALSTEEL COMP 1060 OVERALL
NOMINAL THREAD SIZE0.750 INCHES
NUT HEIGHT0.446 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.130 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH16
THREAD SERIESUNF


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