5305-01-619-0487, SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-619-0487

Federal Supply Class:
5305

National Item Identification Number:
016190487

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:

G1931BH120030N	01417	GENERAL DYNAMICS LAND SYSTEMS INC.
G1931M	01417	GENERAL DYNAMICS LAND SYSTEMS INC.

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	30.0 MILLIMETERS NOMINAL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	17.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM
HEAD HEIGHT	11.8 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A574M, GRADE 12.9, 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	1200 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	1100 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
WIDTH ACROSS FLATS	10.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633, TYPE III OR V, FE/ZN5 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F194M, 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 SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.8

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