NSN 5306-00-051-0055

Part Details | MACHINE BOLT

5306-00-051-0055 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: MS200740433, MS20074-04-33, 5306-00-051-0055, 00-051-0055, 5306000510055, 000510055

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196100-051-005501847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

HEXAGON FLATS

Cross Reference | NSN 5306-00-051-0055
Part Number Cage Code Manufacturer
MS20074-04-3396906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5306-00-051-0055
Characteristic Specifications
HEAD STYLE HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.499 INCHES MINIMUM
FASTENER LENGTH3.406 INCHES NOMINAL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
HOLE CONFIGURATION STYLE HEXAGON FLATS
HOLE TYPE DRILLED
HOLE QUANTITY6
HOLE DIAMETER0.070 INCHES NOMINAL
GRIP LENGTH2.875 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD