5305-01-286-0866, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-286-0866

Federal Supply Class:
5305

National Item Identification Number:
012860866

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:

NAS1189E08T4L

80205

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

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FASTENER
HEAD DIAMETER	0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	OFFSET CRUCIFORM (TORQUE SET)
LOCKING FEATURE	STRIP THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	AAMS 5737 ASSN STD ALL MATERIAL RESPONSES FASTENER
MATERIAL	IRON ALLOY 660 FASTENER
MATERIAL	PLASTIC POLYAMIDE (NYLON) LOCKING FEATURE
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.164 INCHES
SPECIFICATION/STANDARD DATA	80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.089 INCHES MINIMUM AND 0.182 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJC
THREAD QUANTITY PER INCH	32

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