5306-01-321-3559 BOLT,MACHINE Index 5306-01-321-3561 BOLT,MACHINE

National Stock Number:
5306-01-321-3560

Federal Supply Class:
5306

National Item Identification Number:
013213560

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:
NAS1272H580205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
EXTENDED WASHER DIAMETER0.431 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
FASTENER LENGTH0.807 INCHES MINIMUM AND 0.837 INCHES MAXIMUM
FEATURES PROVIDEDFINISHED HEAD
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD HEIGHT0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
HOLE CONFIGURATION STYLEDOUBLE HEXAGON FLATS
HOLE DIAMETER0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
HOLE QUANTITY4
HOLE TYPEDRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALTITANIUM ALLOY UNS R56400 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
SPECIFICATION/STANDARD DATA80205-NAS1272 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE FINISH16.0 MICROINCHES THREADS
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH63.0 MICROINCHES GRIP
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.634 INCHES NOMINAL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH24
WIDTH BETWEEN FLATS0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM


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