5306-01-238-3188, BOLT,EXTERNALLY RELIEVED BODY

5306-01-238-3187 BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-238-3188

Federal Supply Class:
5306

National Item Identification Number:
012383188

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

352 990 42 01	64678	DAIMLER TRUCK NORTH AMERICA LLC
352 990 42 01	D8046	DAIMLER AG
366 990 03 01	64678	DAIMLER TRUCK NORTH AMERICA LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	9.85 MILLIMETERS MINIMUM AND 10.15 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	14.85 MILLIMETERS MINIMUM AND 15.15 MILLIMETERS MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	30.0 MILLIMETERS MINIMUM AND 51.5 MILLIMETERS MAXIMUM
EXTENDED WASHER DIAMETER	22.5 MILLIMETERS MINIMUM AND 23.5 MILLIMETERS MAXIMUM
EXTENDED WASHER THICKNESS	2.8 MILLIMETERS MINIMUM AND 3.2 MILLIMETERS MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS	6G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	110.50 MILLIMETERS MINIMUM AND 111.50 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD	10.8 MILLIMETERS MINIMUM AND 10.9 MILLIMETERS MAXIMUM
HEAD HEIGHT	12.0 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL	STEEL PROPERTY CLASS 12.9 OVERALL
POINT STYLE	FLAT
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
SECOND DIAMETER FROM HEAD	12.3 MILLIMETERS MINIMUM AND 12.4 MILLIMETERS MAXIMUM
WIDTH BETWEEN FLATS	22.0 MILLIMETERS MINIMUM AND 22.4 MILLIMETERS MAXIMUM
SURFACE TREATMENT	PHOSPHATE OVERALL
THIRD DIAMETER FROM HEAD	10.8 MILLIMETERS MINIMUM AND 10.9 MILLIMETERS MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	60.0 MILLIMETERS MINIMUM AND 80.0 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.75

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