5310-00-680-5256 NUT,SELF-LOCKING,HEXAGON Index 5305-00-680-5260 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5310-00-680-5259

Federal Supply Class:
5310

National Item Identification Number:
006805259

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:
52437203104TELEDYNE BROWN ENGINEERING, INC.


Techincal Specification:
DRILLED HOLE DIAMETER0.0670 INCHES NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM NUT
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
HOLE CONFIGURATION STYLECONFIGURATION B
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
NOMINAL THREAD SIZE0.562 INCHES
NUT HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNEF
THREAD QUANTITY PER INCH24


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