5305-01-379-4313, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-379-4313

Federal Supply Class:
5305

National Item Identification Number:
013794313

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:

NAS1352N3-16

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

THREAD SERIES DESIGNATOR	UNRC
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES MINIMUM
FASTENER LENGTH	0.970 INCHES MINIMUM AND
	1.000 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	42.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.303 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
HEAD HEIGHT	0.185 INCHES MINIMUM AND
	0.190 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.1562 INCHES MINIMUM AND
	0.1587 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	80205-NAS1531 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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