5306-01-122-0272, BOLT,MACHINE

National Stock Number:
5306-01-122-0272

Federal Supply Class:
5306

National Item Identification Number:
011220272

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:

23000118	63005	ROLLS-ROYCE CORPORATION
23000118	73342	ALLISON TRANSMISSION INC

Techincal Specification:

EXTERNAL THREAD TOLERANCE CLASS	6GH
FASTENER LENGTH	30.0 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON
HEAD HEIGHT	7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM
LOCKING FEATURE	PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION	GM 500-M 8.8 CAGEC 63005 MFR REF SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	PLASTIC POLYAMIDE NYLON LOCKING FEATURE
MATERIAL	STEEL PROPERTY CLASS 8.8 FASTENER
MATERIAL	STEEL PROPERTY CLASS 8.8 OVERALL
NOMINAL THREAD DIAMETER	12.0 MILLIMETERS
SPECIAL FEATURES	PCP000 LOCKING FEATURE MATERIAL
WIDTH BETWEEN FLATS	17.67 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GM 4435-M CODE A CAGEC 63005 MFR REF SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PHOSPHATE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	4.38 MILLIMETERS MAXIMUM
THREAD SERIES DESIGNATOR	M
THREAD PITCH IN MILLIMETERS	1.75

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