5305-00-177-5625, SCREW,LAG

National Stock Number:
5305-00-177-5625

Federal Supply Class:
5305

National Item Identification Number:
001775625

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:

FFB561	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS16992-625	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS16992-625G	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	5.000 INCHES NOMINAL
HARDNESS RATING	60.0 ROCKWELL B MINIMUM OVERALL
HEAD HEIGHT	0.455 INCHES MINIMUM AND 0.524 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	FF-B-561,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATA	1 TYPE AND 1 STYLE AND B GRADE
NONMACHINE NOMINAL THREAD DIAMETER	0.750 INCHES
NONMACHINE THREAD STYLE	GIMLET POINT (TYPE A, AB OR BA)
WIDTH BETWEEN FLATS	1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC OVERALL

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