5306-00-616-6561, BOLT,MACHINE

National Stock Number:
5306-00-616-6561

Federal Supply Class:
5306

National Item Identification Number:
006166561

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:

336C596P1	07482	GENERAL ELECTRIC COMPANY
336C596P1	D3309	MTU AERO ENGINES AG DBA MTU DEUTSCHE AEROSPACE

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.840 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.610 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.374 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD HEIGHT	0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
HEAD STYLE	ROUND W/WRENCH FLATS
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM FIRST HOLE
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.305 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM

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