5305-01-124-1238 SCREW,CAP,SOCKET HEAD Index 5305-01-124-1240 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-124-1239

Federal Supply Class:
5305

National Item Identification Number:
011241239

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:
324-1694-05013499ROCKWELL COLLINS, INC.
324-1694-05070276ALLEN MFG CO SUB OF CHICAGO PNEUMATIC TOOL CO


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.437 INCHES MAXIMUM
HEAD HEIGHT0.132 INCHES MAXIMUM
HEAD STYLEROUND
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.429 INCHES NOMINAL
THREAD QUANTITY PER INCH38
THREAD SERIES DESIGNATORUNF


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