NSN 5306-00-139-6857

Part Details | MACHINE BOLT

5306-00-139-6857 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: MS969709, MS9697-09, 10114171, MS969709, MS9697-09, 5306-00-139-6857, 00-139-6857, 5306001396857, 001396857

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 10, 197100-139-685701847 ( BOLT, MACHINE )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5306-00-139-6857
Part Number Cage Code Manufacturer
MS9697-0996906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
10114171A486GNIMIKKEISTOKESKUS NCB FINLAND
MS9697-0981343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 5306-00-139-6857
Characteristic Specifications
HEAD STYLE0 HEXAGON
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM
FASTENER LENGTH0.688 INCHES NOMINAL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD HEIGHT0.303 INCHES NOMINAL
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.438 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM
GRIP LENGTH0.079 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD