5306-00-879-4603, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-879-4603

Federal Supply Class:
5306

National Item Identification Number:
008794603

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:

1939970	16764	GENERAL MOTORS CORP DELCO REMY DIV
1939970	1LW55	BORGWARNER PDS (ANDERSON), L.L.C.
88567	04627	HYSTER-YALE GROUP, INC.
47357	13841	TIFFIN PARTS, L.L.C.
1939970	24617	GENERAL MOTORS CORP
88567	30076	HYSTER-YALE GROUP, INC.

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	5.010 INCHES MINIMUM AND 5.070 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.032 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	5.870 INCHES MINIMUM AND 5.930 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.260 INCHES NOMINAL
HEAD HEIGHT	0.256 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL	STEEL COMP 1008 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SECOND DIAMETER FROM HEAD	0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.363 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.800 INCHES MINIMUM AND 0.920 INCHES MAXIMUM
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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