3120-00-166-0884 BEARING,SLEEVE Index 5821-00-166-0889 COVER ASSEMBLY

National Stock Number:
5310-00-166-0888

Federal Supply Class:
5310

National Item Identification Number:
001660888

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:
HN4245-494295HUGHEY & PHILLIPS INC DBA HONEYWELL AIRPORT SYSTEMS
NH2520BB294295HUGHEY & PHILLIPS INC DBA HONEYWELL AIRPORT SYSTEMS


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.188 INCHES NOMINAL
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2B


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