5310-00-639-6386 WASHER,FLAT Index 5305-00-639-6396 SCREW,MACHINE

National Stock Number:
5310-00-639-6391

Federal Supply Class:
5310

National Item Identification Number:
006396391

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:
40022231361WOODWARD, INC.
40022266503WOODWARD, INC.


Techincal Specification:
DRILLED HOLE DIAMETER0.0465 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
COUNTERSINK ANGLE119.5 DEGREES MINIMUM AND 120.5 DEGREES MAXIMUM NUT
HOLE CONFIGURATION STYLECONFIGURATION A
HOLE TYPE AND QUANTITY2 DRILLED
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF


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