5305-01-612-3415, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-612-3415

Federal Supply Class:
5305

National Item Identification Number:
016123415

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:

AES43M407020BC49B1	05047	THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
G1931BH040020N	01417	GENERAL DYNAMICS LAND SYSTEMS INC.
G1931M	01417	GENERAL DYNAMICS LAND SYSTEMS INC.

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	20.0 MILLIMETERS NOMINAL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	6.8 MILLIMETERS MINIMUM AND 7.0 MILLIMETERS MAXIMUM
HEAD HEIGHT	3.9 MILLIMETERS MINIMUM AND 4.0 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, CAP, SOCKET HEAD
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	1220 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	1100 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	4.0 MILLIMETERS
WIDTH ACROSS FLATS	3.0 MILLIMETERS MINIMUM AND 3.1 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 TYPE III OR V, FE/ZN5 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F1941M TYPE FE/ZN5AT OR FE/ZN5BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD CLASS	6G
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	20.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	0.7

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