NSN 5306-01-256-5178
Part Details | MACHINE BOLT
5306-01-256-5178 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: 5004712124, 50-047-12-124, MSA610512124, MSA6105-12-124, 10681712124, 106817-12-124, 10681712124, 106817-12-124, 5306-01-256-5178, 01-256-5178, 5306012565178, 012565178
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 05, 1987 | 01-256-5178 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
Cross Reference | NSN 5306-01-256-5178
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 50-047-12-124 | 97499 | BELL HELICOPTER TEXTRON INC.DBA BELL HELICOPTER |
| MSA6105-12-124 | 0UCY9 | M.S. AEROSPACE INC. |
| 106817-12-124 | 56878 | SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION |
| 106817-12-124 | 80539 | SPS TECHNOLOGIES, LLCDBA AEROSPACE FASTENERS GROUP |
Technical Data | NSN 5306-01-256-5178
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | DISHED HEXAGON |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.204 INCHES MINIMUM AND 1.318 INCHES MAXIMUM |
| FASTENER LENGTH | 9.001 INCHES MINIMUM AND 9.021 INCHES MAXIMUM |
| HEAD HEIGHT | 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
| GRIP LENGTH | 7.703 INCHES MINIMUM AND 7.797 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |