NSN 5306-00-144-4057

Part Details | MACHINE BOLT

5306-00-144-4057 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: AN175H31A, 85H31, B6812, B6812A, 5306-00-144-4057, 00-144-4057, 5306001444057, 001444057

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-144-405701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-144-4057
Part Number Cage Code Manufacturer
AN175H31A88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
85H3180049DEPARTMENT OF THE AIR FORCE
B681281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
B6812A81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 5306-00-144-4057
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 LENGTH0.531 INCHES MINIMUM
FASTENER LENGTH3.219 INCHES NOMINAL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
GRIP LENGTH2.688 INCHES NOMINAL
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURESONE DRILLED HOLE IN HEAD