5305-00-177-5505, SCREW,LAG

National Stock Number:
5305-00-177-5505

Federal Supply Class:
5305

National Item Identification Number:
001775505

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:

1062	7HEQ0	BOLT DEPOT, INC.
230054	2S125	HILLMAN GROUP INC THE
ANSI B18.2.1	80204	AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED
ASME B18.2.1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
FF-B-561	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FF-B-561 TY1ST1GRB	80244	GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE
MS16992-525	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	2.500 INCHES NOMINAL
HARDNESS RATING	60.0 ROCKWELL B MINIMUM OVERALL
HEAD HEIGHT	0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH
NONMACHINE NOMINAL THREAD DIAMETER	0.312 INCHES
NONMACHINE THREAD STYLE	GIMLET POINT (TYPE A, AB OR BA)
SHOULDER DIAMETER	0.298 INCHES MINIMUM AND 0.324 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.125 INCHES MINIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
WIDTH BETWEEN FLATS	0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL

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