5305-01-286-5436, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-286-5436

Federal Supply Class:
5305

National Item Identification Number:
012865436

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:

717801668-002	04939	LOCKHEED MARTIN CORPORATION
717801668-002	84256	AVIBANK MFG., INC.
CA21189-4-12HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
CA21294-4-12HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	1.467 INCHES MINIMUM AND 1.487 INCHES MAXIMUM
HEAD DIAMETER	0.360 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	0.112 IN. DIA. HOLE FOR CA2105 CAGEC 29372 PLUG; 040 IN. WIDE X 0.029 IN. DEEP SPLINES 120 DEGREES APART
SINGLE SHEAR STRENGTH	1700 POUNDS PER SQUARE INCH
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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