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) |
---|---|---|---|
53 | JAN 01, 1960 | 00-144-4057 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON

Cross Reference | NSN 5306-00-144-4057
Part Number | Cage Code | Manufacturer |
---|---|---|
AN175H31A | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
85H31 | 80049 | DEPARTMENT OF THE AIR FORCE |
B6812 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
B6812A | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 5306-00-144-4057
Characteristic | Specifications |
---|---|
HEAD STYLE | HEXAGON |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.531 INCHES MINIMUM |
FASTENER LENGTH | 3.219 INCHES NOMINAL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
GRIP LENGTH | 2.688 INCHES NOMINAL |
FEATURES PROVIDED | FINISHED HEAD |
SPECIAL FEATURES | ONE DRILLED HOLE IN HEAD |