5306-01-569-1614, BOLT,MACHINE

National Stock Number:
5306-01-569-1614

Federal Supply Class:
5306

National Item Identification Number:
015691614

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:

NAS1271-10

80205

NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE

Techincal Specification:

EXTENDED WASHER DIAMETER	0.360 INCHES NOMINAL
EXTENDED WASHER THICKNESS	0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM
FASTENER LENGTH	1.095 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
FEATURES PROVIDED	FINISHED HEAD
GRIP LENGTH	0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT	0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
HEAD STYLE	DOUBLE HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	S-4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	TITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE FINISH	16.0 MICROINCHES THREADS
SURFACE FINISH	63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH	63.0 MICROINCHES GRIP
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.485 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH	28
WIDTH BETWEEN FLATS	0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM

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