NSN 5306-00-031-2557

Part Details | MACHINE BOLT

5306-00-031-2557 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: A38208, 5306-00-031-2557, 00-031-2557, 5306000312557, 000312557

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 21, 197200-031-255701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

Cross Reference | NSN 5306-00-031-2557
Part Number Cage Code Manufacturer
A3820810988CNH INDUSTRIAL AMERICA LLC
Technical Data | NSN 5306-00-031-2557
Characteristic Specifications
HEAD STYLE HEXAGON COUNTERSUNK
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.812 INCHES MINIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.500 INCHES NOMINAL
WIDTH BETWEEN FLATS0.875 INCHES NOMINAL
COUNTERSINK ANGLE90.0 DEGREES NOMINAL
FEATURES PROVIDED FINISHED HEAD