NSN 5306-01-078-9903

Part Details | MACHINE BOLT

5306-01-078-9903 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: 9328393, 5306-01-078-9903, 01-078-9903, 5306010789903, 010789903

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 24, 197901-078-990301847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-01-078-9903
Part Number Cage Code Manufacturer
932839319200US ARMY ARDEC RDECOM
Technical Data | NSN 5306-01-078-9903
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD HEIGHT0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.491 INCHES NOMINAL
SPECIAL FEATURESBOLT HEAD CONSISTS OF 1 HOLE .093IN. DIA,CSK 90 DEGREES TO .120 DIA. BOTH ENDS