5305-00-177-5542, SCREW,LAG

5305-00-177-5544 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-177-5542

Federal Supply Class:
5305

National Item Identification Number:
001775542

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:

1050	7HEQ0	BOLT DEPOT, INC.
230021	2S125	HILLMAN GROUP INC THE
ASME-B18.2.1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
ANSI B18.2.1	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
FF-B-561 TY1ST1GRB	80244	GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
FF-B-561	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS16992-507	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	0.250 INCHES
FASTENER LENGTH	3.000 INCHES NOMINAL
MATERIAL	STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT	ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM-B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	60.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.150 INCHES MINIMUM AND
	0.188 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.437 INCHES MINIMUM AND
	0.438 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.237 INCHES MINIMUM AND
	0.260 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.094 INCHES MINIMUM FIRST SHOULDER

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