3020-00-528-3803 GEAR,SPUR Index 3030-00-528-3805 BELT,V

National Stock Number:
5310-00-528-3804

Federal Supply Class:
5310

National Item Identification Number:
005283804

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:
528380419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NUT HEIGHT0.297 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1212 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
NOMINAL THREAD SIZE1.500 INCHES
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUN
WIDTH ACROSS FLATS1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM


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