5305-01-266-8350, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-266-8350

Federal Supply Class:
5305

National Item Identification Number:
012668350

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:

704AS9843-4	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
899843-4	96214	RAYTHEON COMPANY
S20620-4	26233	NYLOK LLC

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD DIAMETER	0.143 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
MATERIAL	PLASTIC LOCKING FEATURE
MATERIAL	STEEL COMP 321 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 347 FASTENER
MINIMUM TENSILE STRENGTH	80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.086 INCHES
SPECIAL FEATURES	LOCKING ELEMENT SHALL BEGIN NO MORE THAN TWO AND ONE HALF THREADS FROM SCREW END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.336 INCHES MINIMUM AND 0.409 INCHES MAXIMUM
THREAD QUANTITY PER INCH	56
THREAD SERIES DESIGNATOR	UNC

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