5306-01-578-7437, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-578-7437

Federal Supply Class:
5306

National Item Identification Number:
015787437

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:

1833483C1	338X5	ND DEFENSE LLC
1833483C1	89346	NAVISTAR INTL CORP TRUCK BR OHIO PLANT

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	36.8 MILLIMETERS NOMINAL
EXTENDED WASHER DIAMETER	12.7 MILLIMETERS NOMINAL
EXTERNAL THREAD TOLERANCE CLASS	6G
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
EXTENDED WASHER THICKNESS	1.1 MILLIMETERS MINIMUM
FASTENER LENGTH	60.0 MILLIMETERS NOMINAL
FIRST DIAMETER FROM HEAD	7.2 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	6.4 MILLIMETERS NOMINAL
LOCKING FEATURE	PATCH THREADS
PART NAME ASSIGNED BY CONTROLLING AGENCY	BOLT, HEX FLANGE HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	CEMS A-31, PART I MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL PROPERTY CLASS 10.9 OVERALL
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
SPECIAL FEATURES	NONMETALLIC PATCH TO CONFORM TO REQUIREMENTS IN MANUFACTURER SPECIFICATION CEMS BM-4.101 AND 4.102
WIDTH BETWEEN FLATS	7.8 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	CEMS G-1, CLASS B-2 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	22.0 MILLIMETERS MINIMUM AND 24.5 MILLIMETERS MAXIMUM
THREAD PITCH IN MILLIMETERS	1.2
THREAD SERIES DESIGNATOR	M

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