5305-00-921-0042 SCREW,CAP,HEXAGON HEAD Index 5305-00-921-0044 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-921-0043

Federal Supply Class:
5305

National Item Identification Number:
009210043

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
9-480035-00259501UNISON INDUSTRIES LLC
9-480035-00296429WESTPORT INTERNATIONAL INC.
AP4835-296429WESTPORT INTERNATIONAL INC.


Techincal Specification:
FASTENER LENGTH0.250 INCHES NOMINAL
HEAD DIAMETER0.205 INCHES NOMINAL
HEAD HEIGHT0.125 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
HOLE CONFIGURATION STYLEROUND
HOLE DIAMETER0.038 INCHES NOMINAL
HOLE TYPEDRILLED
HOLE QUANTITY2
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.125 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MAXIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.094 INCHES NOMINAL


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