5305-01-287-6278, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-287-6278

Federal Supply Class:
5305

National Item Identification Number:
012876278

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:

NAS1352N08LE8

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	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.438 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
FASTENER LENGTH	0.470 INCHES MINIMUM AND
	0.500 INCHES MAXIMUM
MATERIAL	PLASTIC POLYAMIDE LOCKING FEATURE
	IRON ALLOY 660 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND
	42.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.262 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
HEAD HEIGHT	0.159 INCHES MINIMUM AND
	0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.141 INCHES MINIMUM AND
	0.143 INCHES MAXIMUM
LOCKING FEATURE	PATCH OR
	PELLET OR
	STRIP THREADS
SPECIFICATION/STANDARD DATA	80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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