5306-00-266-0322 BOLT,MACHINE Index 5310-00-266-0342 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-266-0341

Federal Supply Class:
5310

National Item Identification Number:
002660341

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:
FFB571TYPEA681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONFF-N-836 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.312 INCHES
NONDEFINITIVE SPEC/STD DATAA6 TYPE
NUT HEIGHT0.172 INCHES NOMINAL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
WIDTH ACROSS FLATS0.562 INCHES NOMINAL


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