NSN 5306-01-342-1989

Part Details | MACHINE BOLT

5306-01-342-1989 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: NAS568C81, 5306-01-342-1989, 01-342-1989, 5306013421989, 013421989

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 16, 199101-342-198901847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-342-1989
Part Number Cage Code Manufacturer
NAS568C8180205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
Technical Data | NSN 5306-01-342-1989
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH2.455 INCHES MINIMUM AND 2.532 INCHES MAXIMUM
FASTENER LENGTH2.515 INCHES MINIMUM AND 2.562 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.375 INCHES NOMINAL
WIDTH BETWEEN FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM
HOLE TYPE DRILLED
HOLE QUANTITY3
HOLE DIAMETER0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
GRIP LENGTH0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIFICATION/STANDARD DATA80205-NAS568 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD