5310-00-639-1059 NUT,PLAIN,HEXAGON Index 5305-00-639-1063 SCREW,MACHINE

National Stock Number:
5310-00-639-1061

Federal Supply Class:
5310

National Item Identification Number:
006391061

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:
FFN83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.375 INCHES
NUT STYLEHEXAGON
THREAD CLASS2B
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
THREAD SERIESUNC
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH16


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