5305-01-188-9242 SCREW Index 5305-01-188-9244 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-188-9243

Federal Supply Class:
5305

National Item Identification Number:
011889243

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:
1037-72066503WOODWARD, INC.


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.125 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.206 INCHES MINIMUM AND
0.256 INCHES MAXIMUM
FASTENER LENGTH0.256 INCHES NOMINAL
MATERIALSTEEL COMP 410 OVERALL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
35.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.281 INCHES NOMINAL
HEAD HEIGHT0.156 INCHES MINIMUM AND
0.166 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.109 INCHES MINIMUM AND
0.111 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE66503
DESIGN CONTROL REFERENCE1037-720


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