NSN 5306-00-146-3121

Part Details | MACHINE BOLT

5306-00-146-3121 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: 12A740427, 12A7404-27, 5306-00-146-3121, 00-146-3121, 5306001463121, 001463121

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 26, 197100-146-312101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-146-3121
Part Number Cage Code Manufacturer
12A7404-2781755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5306-00-146-3121
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH13
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH1.600 INCHES NOMINAL
FASTENER LENGTH2.422 INCHES NOMINAL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.741 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY3
HOLE DIAMETER0.076 INCHES NOMINAL
GRIP LENGTH0.790 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD