5306-01-507-0141 BOLT,MACHINE Index 5310-01-507-0143 NUT,PLAIN,CAP

National Stock Number:
5305-01-507-0142

Federal Supply Class:
5305

National Item Identification Number:
015070142

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:
S300NA46CAG10835NNMA180204AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.851 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
HEAD HEIGHT0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HEAD STYLEBUTTON
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS0.312 INCHES NOMINAL


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