5306-00-335-4376, BOLT,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-00-335-4376

Federal Supply Class:
5306

National Item Identification Number:
003354376

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:

1917084	16764	GENERAL MOTORS CORP DELCO REMY DIV
1917084	1LW55	BORGWARNER PDS (ANDERSON), L.L.C.
868355	12603	CLARK EQUIPMENT CO
8360070	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
1917084	24617	GENERAL MOTORS CORP
1917084	7X677	GENERAL MOTORS LLC
868355	77237	DANA OFF HIGHWAY PRODUCTS, LLC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.094 INCHES NOMINAL
EXTENDED WASHER DIAMETER	0.500 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.038 INCHES MINIMUM AND 0.048 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.295 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
HEAD HEIGHT	0.155 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL	STEEL COMP 1008 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	0.180 IN. MIN. 0.185 IN. MAX DIA BY 0.020 IN. MIN,0.040 IN. MAX LG POINT AT THD END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	+44E,FSCM 19207 MIL SPEC 1ST TREATMENT RESPONSE AND +10C,FSCM 19207 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE OVERALL
THREAD LENGTH	0.181 INCHES MINIMUM AND 0.186 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	20
WIDTH BETWEEN FLATS	0.365 INCHES MINIMUM AND 0.382 INCHES MAXIMUM

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