5306-01-136-5573, BOLT,MACHINE

National Stock Number:
5306-01-136-5573

Federal Supply Class:
5306

National Item Identification Number:
011365573

Description:
BOLT,MACHINE

Detail:
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Manufacturer Information:

23000076	63005	ROLLS-ROYCE CORPORATION
23000076	73342	ALLISON TRANSMISSION INC

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	6H
FASTENER LENGTH	39.0 MILLIMETERS MINIMUM AND 40.0 MILLIMETERS MAXIMUM
GRIP LENGTH	23.0 MILLIMETERS NOMINAL
HEAD HEIGHT	5.10 MILLIMETERS MINIMUM AND 5.50 MILLIMETERS MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	GM 500M(8.8) MFR REF SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE (NYLON) LOCKING FEATURESTEEL PROPERTY CLASS 8.8 FASTENER
NOMINAL THREAD DIAMETER	8.0 MILLIMETERS
WIDTH BETWEEN FLATS	12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GM 4435-M,CODE A MFR REF SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PHOSPHATE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	27.0 MILLIMETERS NOMINAL
THREAD PITCH IN MILLIMETERS	1.25
THREAD SERIES DESIGNATOR	M

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