5306-01-065-6797, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-065-6797

Federal Supply Class:
5306

National Item Identification Number:
010656797

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:

1956975	31007	NAVISTAR INTL CORP
1956975	89346	NAVISTAR INTL CORP TRUCK BR OHIO PLANT

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.120 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	2.000 INCHES MINIMUM AND 2.060 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
POINT DIAMETER	0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
POINT LENGTH	0.200 INCHES NOMINAL
POINT STYLE	DOG
SECOND DIAMETER FROM HEAD	0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
SURFACE TREATMENT	ZINC OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.760 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	24
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM

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