5305-01-555-1374 SCREW,MACHINE Index 5305-01-556-0483 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-556-0040

Federal Supply Class:
5305

National Item Identification Number:
015560040

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:
021-31701-00066935JOHNSON CONTROLS NAVY SYSTEMS, LLC
377-15981-000 ITEM 2566935JOHNSON CONTROLS NAVY SYSTEMS, LLC


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD DIAMETER0.312 INCHES MAXIMUM
HEAD HEIGHT0.190 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESFASTENER IS PER ANSI B18.3
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.360 INCHES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.156 INCHES NOMINAL


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