NSN 5306-00-253-8640

Part Details | MACHINE BOLT

5306-00-253-8640 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: 6269432, 626943-2, 5306-00-253-8640, 00-253-8640, 5306002538640, 002538640

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 18, 196900-253-864001847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-253-8640
Part Number Cage Code Manufacturer
626943-296214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5306-00-253-8640
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UN
NOMINAL THREAD DIAMETER3.500 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.150 INCHES NOMINAL
FASTENER LENGTH1.320 INCHES NOMINAL
HEAD HEIGHT0.650 INCHES NOMINAL
WIDTH BETWEEN FLATS4.500 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESTAPPED HOLE DRILLED THRU TOP OF HEAD THREAD SIZE 1/4-28 UNF-2B