5305-00-163-2787 SCREW,CAP,SOCKET HEAD Index 5305-00-163-2789 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-163-2788

Federal Supply Class:
5305

National Item Identification Number:
001632788

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:
358-120809F512PARKER-HANNIFIN CORPORATION


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.400 INCHES NOMINAL
FASTENER LENGTH0.500 INCHES NOMINAL
MATERIALSTEEL OVERALL
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.365 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
HEAD HEIGHT0.244 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
THE MANUFACTURERS DATA
MANUFACTURERS CODE9F512
DESIGN CONTROL REFERENCE358-12080


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