5305-01-394-8505, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-394-8505

Federal Supply Class:
5305

National Item Identification Number:
013948505

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:

NAS1351C5LB10

81205

THE BOEING COMPANY

Techincal Specification:

FASTENER LENGTH	0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD DIAMETER	0.457 INCHES MINIMUM AND 0.467 INCHES MAXIMUM
HEAD HEIGHT	0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
WIDTH ACROSS FLATS	0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.542 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNRF
THREAD QUANTITY PER INCH	24

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