5306-00-550-2680, BOLT,MACHINE

National Stock Number:
5306-00-550-2680

Federal Supply Class:
5306

National Item Identification Number:
005502680

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:

328112	77445	RTX CORPORATION
328112	92215	HOWMET GLOBAL FASTENING SYSTEMS INC
328112	93907	TEXTRON FASTENING SYSTEMS DBA DECORAH OPERATIONS TFS

Techincal Specification:

EXTENDED WASHER DIAMETER	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
FASTENER LENGTH	0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
HEAD HEIGHT	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON W/HOLE
HOLE CONFIGURATION STYLE	ROUND
HOLE DIAMETER	0.070 INCHES NOMINAL
HOLE QUANTITY	4
HOLE TYPE	DRILLED
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES
NONSTANDARD THREAD PITCH DIAMETER	+0.2797 TO 0.2824 INCHES
PRECIOUS MATERIAL	SILVER
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	SILVER OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
THREAD QUANTITY PER INCH	24
THREAD SERIES DESIGNATOR	UNS

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