5310-00-691-0255 NUT,PLAIN,HEXAGON Index 5310-00-691-0257 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-691-0256

Federal Supply Class:
5310

National Item Identification Number:
006910256

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:
FFS83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.750 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
NUT HEIGHT0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH10
THREAD SERIESUNC


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