5306-00-912-9189, BOLT,MACHINE

National Stock Number:
5306-00-912-9189

Federal Supply Class:
5306

National Item Identification Number:
009129189

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:

444399	77445	RTX CORPORATION
444399	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
444399	93907	TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.710 INCHES NOMINAL FIRST HOLE
EXTENDED WASHER DIAMETER	0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.065 INCHES NOMINAL
FASTENER LENGTH	0.815 INCHES NOMINAL
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.150 INCHES NOMINAL
HEAD HEIGHT	0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.070 INCHES NOMINAL FIRST HOLE
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	1A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.665 INCHES MINIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF
WIDTH BETWEEN FLATS	0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM

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