5305-01-159-4488 SCREW,CAP,SOCKET HEAD Index 5305-01-159-4490 SCREW,CAP,SOCKET HE

National Stock Number:
5305-01-159-4489

Federal Supply Class:
5305

National Item Identification Number:
011594489

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:
0014454252STANLEY BLACK & DECKER, INC.
14454252STANLEY BLACK & DECKER, INC.


Techincal Specification:
FASTENER LENGTH1.250 INCHES NOMINAL
HEAD DIAMETER0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLEHEXAGON
NOMINAL THREAD DIAMETER0.312 INCHES
WIDTH ACROSS FLATS0.250 INCHES NOMINAL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNC


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