5306-01-167-0780, BOLT,EXTERNALLY RELIEVED BODY

5306-01-167-0781 BOLT,INTERNALLY RELIEVED BODY

National Stock Number:
5306-01-167-0780

Federal Supply Class:
5306

National Item Identification Number:
011670780

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:

445-9977	A486G	NIMIKKEISTOKESKUS NCB FINLAND
4536364-001	076M6	BAE SYSTEMS LAND & ARMAMENTS L.P.
4536364-001	0BAT5	U.S. DEFENSE SERVICES, INC.
4536364-001	AC90N	BAE SYSTEMS HAGGLUNDS AKTIEBOLAG
4536364-001	S3465	BAE SYSTEMS HAGGLUNDS AB
6F300 0T 017 7099	F6647	SERVICE CENTRAL DES ACHATS DE LA MAINTENANCE
92637-991	076M6	BAE SYSTEMS LAND & ARMAMENTS L.P.
92637-991	0BAT5	U.S. DEFENSE SERVICES, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	10.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	80.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	50.0 MILLIMETERS NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	60.0 MILLIMETERS NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	79.5 MILLIMETERS MINIMUM AND 80.5 MILLIMETERS MAXIMUM
FIRST DIAMETER FROM HEAD	18.0 MILLIMETERS NOMINAL
FOURTH DIAMETER FROM HEAD	20.0 MILLIMETERS NOMINAL
HEAD HEIGHT	12.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM
HEAD STYLE	UNDERCUT HEXAGON
MATERIAL	STEEL OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	20.0 MILLIMETERS
SECOND DIAMETER FROM HEAD	20.0 MILLIMETERS NOMINAL
WIDTH BETWEEN FLATS	28.0 MILLIMETERS NOMINAL
THIRD DIAMETER FROM HEAD	18.0 MILLIMETERS NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	19.5 MILLIMETERS MINIMUM AND 20.5 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.5

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