5305-00-412-9789, SCREW,LAG

National Stock Number:
5305-00-412-9789

Federal Supply Class:
5305

National Item Identification Number:
004129789

Description:
SCREW,LAG

Detail:
AN EXTERNALLY THREADED FASTENER HAVING A SQUARE OR HEXAGON HEAD AND WITH A CONTINUOUS THREAD (WOOD SCREW TYPE OR FETTER TYPE) EXTENDING FROM A GIMLET OR CONE POINT FOR A DISTANCE OF SLIGHTLY MORE THAN ONE-HALF THE LENGTH OF THE SCREW.

Manufacturer Information:

.500 X 4.000 STEEL	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
9754	35086	SLATER INDUSTRIES INC SLACAN DIV
ASME B18.2.1-1996	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS16992-585-ZE	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

NONMACHINE THREAD STYLE	GIMLET POINT (TYPE A, AB OR BA)
NONMACHINE NOMINAL THREAD DIAMETER	0.500 INCHES
FASTENER LENGTH	4.000 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A307, GRADE A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	69.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	60000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.302 INCHES MINIMUM AND
	0.364 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.725 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.482 INCHES MINIMUM AND
	0.515 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.156 INCHES MINIMUM FIRST SHOULDER

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