5305-00-639-3377 SCREW,CAP,SOCKET HEAD Index 5305-00-639-3380 SETSCREW

National Stock Number:
5310-00-639-3378

Federal Supply Class:
5310

National Item Identification Number:
006393378

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:
S8079C41659364HONEYWELL INTERNATIONAL INC.
S8079C41670210HONEYWELL INTERNATIONAL INC.
S8079C41672599ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
S8079C41699193HONEYWELL INTERNATIONAL INC.


Techincal Specification:
DRILLED HOLE DIAMETER0.075 INCHES NOMINAL
BEARING SURFACE TYPECHAMFERED
HOLE CONFIGURATION STYLECONFIGURATION H
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNC


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