5306-01-242-1142 BOLT,MACHINE Index 5305-01-242-1144 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-242-1143

Federal Supply Class:
5305

National Item Identification Number:
012421143

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
X-6071-152845KOHLER CO ENGINE PLANT DIV


Techincal Specification:
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
FASTENER LENGTH0.345 INCHES MINIMUM AND 0.405 INCHES MAXIMUM
HARDNESS RATING33.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL OVERALL
PROPRIETARY CHARACTERISTICSPACS
NONMACHINE NOMINAL THREAD DIAMETER0.190 INCHES
NONMACHINE THREAD STYLEBLUNT (TYPE TT)
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
SURFACE TREATMENTZINC OVERALL


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