NSN 5306-01-321-3560

Part Details | MACHINE BOLT

5306-01-321-3560 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.

Alternate Parts: NAS1272H5, 5306-01-321-3560, 01-321-3560, 5306013213560, 013213560

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 16, 199001-321-356001847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

DOUBLE HEXAGON EXTENDED WASHER

DOUBLE HEXAGON FLATS

Cross Reference | NSN 5306-01-321-3560
Part Number Cage Code Manufacturer
NAS1272H580205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-01-321-3560
Characteristic Specifications
HEAD STYLE DOUBLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.634 INCHES NOMINAL
FASTENER LENGTH0.807 INCHES MINIMUM AND 0.837 INCHES MAXIMUM
HEAD HEIGHT0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.368 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.431 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.072 INCHES MINIMUM AND 0.092 INCHES MAXIMUM
HOLE CONFIGURATION STYLE DOUBLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY4
HOLE DIAMETER0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
GRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIFICATION/STANDARD DATA80205-NAS1272 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD