NSN 5306-00-206-8574

Part Details | MACHINE BOLT

5306-00-206-8574 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: 202021, 5306-00-206-8574, 00-206-8574, 5306002068574, 002068574

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-206-857401847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-206-8574
Part Number Cage Code Manufacturer
20202177445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-206-8574
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.310 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY2
HOLE DIAMETER0.062 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD