NSN 5306-00-143-2803

Part Details | MACHINE BOLT

5306-00-143-2803 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: R544P09U, 5306-00-143-2803, 00-143-2803, 5306001432803, 001432803

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 30, 196800-143-280301847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-143-2803
Part Number Cage Code Manufacturer
R544P09U07482GENERAL ELECTRIC COMPANYDBA GE
Technical Data | NSN 5306-00-143-2803
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.669 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
FASTENER LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD