NSN 5306-00-121-3561

Part Details | MACHINE BOLT

5306-00-121-3561 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: 3302027201, 33-020272-01, 3302027201, 33-020272-01, 5306-00-121-3561, 00-121-3561, 5306001213561, 001213561

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 01, 196800-121-356101847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

Cross Reference | NSN 5306-00-121-3561
Part Number Cage Code Manufacturer
33-020272-0115280NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV ES DEFENSIVE SYSTEMS DIVISION
33-020272-0126916NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MULTIPLE
Technical Data | NSN 5306-00-121-3561
Characteristic Specifications
HEAD STYLE3 UNDERCUT HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.216 INCHES
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.500 INCHES MINIMUM
FASTENER LENGTH0.688 INCHES NOMINAL
HEAD DIAMETER0.438 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS0.291 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
GRIP LENGTH0.188 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURES60 DEG CHAMFER ON UNDERSIDE OF ONE WRENCH FLAT CUT TO JUNCTION OF SHANK AND HEAD