5305-01-442-6556, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-442-6556

Federal Supply Class:
5305

National Item Identification Number:
014426556

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:

FF-S-86	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
NAS1352C8LB24	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

FASTENER LENGTH	1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
HEAD DIAMETER	0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT	0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
LOCKING FEATURE	PATCH LOCKING FEATURE
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.500 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS	0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.346 INCHES MINIMUM AND 1.500 INCHES MAXIMUM
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNRC

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