5305-01-242-5958, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-242-5958

Federal Supply Class:
5305

National Item Identification Number:
012425958

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:

NAS1351C3LL18

80205

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

Techincal Specification:

THREAD SERIES DESIGNATOR	UNRF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.825 INCHES MINIMUM AND
	0.875 INCHES MAXIMUM
FASTENER LENGTH	1.085 INCHES MINIMUM AND
	1.125 INCHES MAXIMUM
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	STEEL COMP 302 OR
	STEEL COMP 304 OR
	STEEL COMP 305 OR
	STEEL COMP 316 OR
	STEEL COMP 384 OR
	STEEL COMP XM-7 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING	80.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	30000 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	0.156 INCHES MINIMUM AND
	0.159 INCHES MAXIMUM
LOCKING FEATURE	PELLET THREADS
SPECIFICATION/STANDARD DATA	80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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