5306-01-384-3431, BOLT,MACHINE

National Stock Number:
5306-01-384-3431

Federal Supply Class:
5306

National Item Identification Number:
013843431

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

12414307	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12414307-024	076M6	AMZ ALABAMA INC.
12414307-024	0FW39	BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12414307-024	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
DIN6921M8X1X25-10.9-A2D	D8286	DIN DEUTSCHES INSTITUT FUER NORMUNGEV
EN1665-M8X1X25-10.9-A2D	I9008	INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

Techincal Specification:

EXTENDED WASHER DIAMETER	18.0 MILLIMETERS NOMINAL
EXTENDED WASHER THICKNESS	1.2 MILLIMETERS MINIMUM
EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	24.58 MILLIMETERS MINIMUM AND 25.42 MILLIMETERS MAXIMUM
HEAD HEIGHT	8.1 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	DIN 267/11 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR DIN 6921 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL PROPERTY CLASS 10.9 OVERALL
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DIN 267/9 NATIONAL SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	22.0 MILLIMETERS MINIMUM
THREAD PITCH IN MILLIMETERS	1.0
THREAD SERIES DESIGNATOR	M
WIDTH BETWEEN FLATS	12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM

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