NSN 5306-00-638-4339

Part Details | MACHINE BOLT

5306-00-638-4339 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: 399413, 3-99413, 399413, 3-99413, 5306-00-638-4339, 00-638-4339, 5306006384339, 006384339

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-433901847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-638-4339
Part Number Cage Code Manufacturer
3-9941317765BOEING COMPANY, THEDBA BOEING
3-9941381205THE BOEING COMPANYDBA BOEING
Technical Data | NSN 5306-00-638-4339
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.880 INCHES MINIMUM
FASTENER LENGTH1.180 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY1
HOLE DIAMETER0.062 INCHES NOMINAL
GRIP LENGTH0.300 INCHES NOMINAL
FEATURES PROVIDED UNFINISHED HEAD