5305-01-241-7185 SCREW,TAPPING Index 4710-01-241-7189 TUBE,METALLIC

National Stock Number:
5305-01-241-7186

Federal Supply Class:
5305

National Item Identification Number:
012417186

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:
47-086-08U0112HANCOX LTD
470860852845KOHLER CO ENGINE PLANT DIV
U-25 086 0052845KOHLER CO ENGINE PLANT DIV


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.599 INCHES MINIMUM AND
0.619 INCHES MAXIMUM
FASTENER LENGTH0.599 INCHES MINIMUM AND
0.619 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONZ-30 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
HEAD DIAMETER0.546 INCHES MINIMUM AND
0.573 INCHES MAXIMUM
HEAD HEIGHT0.133 INCHES MINIMUM AND
0.150 INCHES MAXIMUM
LOCKING FEATUREPATCH THREADS


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