3020-00-517-4693 GEAR,SPUR Index 5305-00-517-4704 SETSCREW

National Stock Number:
5310-00-517-4701

Federal Supply Class:
5310

National Item Identification Number:
005174701

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:
517470119204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
BEARING SURFACE TYPEWASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1212 OVERALL
NOMINAL THREAD SIZE1.375 INCHES
NUT HEIGHT0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUNF


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