NSN 5306-00-638-7656

Part Details | MACHINE BOLT

5306-00-638-7656 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: 193317, 193317, 193317, 193317, 5306-00-638-7656, 00-638-7656, 5306006387656, 006387656

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-638-765601847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON LONGITUDINAL HOLE

Cross Reference | NSN 5306-00-638-7656
Part Number Cage Code Manufacturer
19331792215ARCONIC GLOBAL FASTENERS & RINGS,INC.
19331780539SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP
19331793907TEXTRON FASTENING SYSTEMSDBA DECORAH OPERATIONS TFS
19331777445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5306-00-638-7656
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
NONSTANDARD THREAD PITCH DIAMETER+0.2213 TO +0.2238 INCHES
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.294 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
FASTENER LENGTH0.365 INCHES MINIMUM AND 0.368 INCHES MAXIMUM
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON LONGITUDINAL HOLE
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.068 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD