NSN 5306-00-286-7503

Part Details | MACHINE BOLT

5306-00-286-7503 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: 3119995, 311999-5, 5306-00-286-7503, 00-286-7503, 5306002867503, 002867503

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-286-750301847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-286-7503
Part Number Cage Code Manufacturer
311999-598897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 5306-00-286-7503
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.220 INCHES MINIMUM
FASTENER LENGTH1.875 INCHES NOMINAL
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.094 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
GRIP LENGTH1.655 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT