5305-01-266-9200 SCREW,CAP,SOCKET HEAD Index 5305-01-266-9202 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-266-9201

Federal Supply Class:
5305

National Item Identification Number:
012669201

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:
170A779-03401289GENERAL ELECTRIC COMPANY DBA GE DIV GE-AVIATION GEAR PLANT
170A779-03417454TIMKEN GEARS & SERVICES INC.


Techincal Specification:
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER0.356 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPELLET THREADS
MATERIALPLASTIC LOCKING FEATURE
MATERIALSTEEL FASTENER
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH ACROSS FLATS0.188 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.441 INCHES MINIMUM
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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