NSN 5306-00-221-7427

Part Details | MACHINE BOLT

5306-00-221-7427 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: 12P120717, 12P12071-7, 5306-00-221-7427, 00-221-7427, 5306002217427, 002217427

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 25, 196900-221-742701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-221-7427
Part Number Cage Code Manufacturer
12P12071-781755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5306-00-221-7427
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.761 INCHES MAXIMUM
FASTENER LENGTH3.011 INCHES NOMINAL
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.504 INCHES NOMINAL
WIDTH BETWEEN FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.823 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.123 INCHES NOMINAL
GRIP LENGTH2.250 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD