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) |
---|---|---|---|
53 | SEP 10, 1971 | 00-139-6857 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-139-6857
Part Number | Cage Code | Manufacturer |
---|---|---|
MS9697-09 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
10114171 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
MS9697-09 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
Technical Data | NSN 5306-00-139-6857
Characteristic | Specifications |
---|---|
HEAD STYLE | 0 HEXAGON |
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
FASTENER LENGTH | 0.688 INCHES NOMINAL |
MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.303 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
EXTENDED WASHER DIAMETER | 0.438 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
GRIP LENGTH | 0.079 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |