NSN 5306-00-078-3421

Part Details | MACHINE BOLT

5306-00-078-3421 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: AN12H34A, AN12H34A, 5306-00-078-3421, 00-078-3421, 5306000783421, 000783421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 11, 196700-078-342101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-078-3421
Part Number Cage Code Manufacturer
AN12H34A88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN12H34A0E0Z8AEROSPACE MANUFACTURING, INC.
Technical Data | NSN 5306-00-078-3421
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.093 INCHES MINIMUM
FASTENER LENGTH3.656 INCHES NOMINAL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.053 INCHES MINIMUM AND 1.066 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
GRIP LENGTH2.563 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD