NSN 5306-00-286-8208

Part Details | MACHINE BOLT

5306-00-286-8208 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: 184457, 5306-00-286-8208, 00-286-8208, 5306002868208, 002868208

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-286-820801847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-00-286-8208
Part Number Cage Code Manufacturer
18445777445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-286-8208
Characteristic Specifications
HEAD STYLE HEXAGON EXTENDED WASHER
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
FASTENER LENGTH0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.302 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.062 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD