NSN 5306-00-259-1021
Part Details | MACHINE BOLT
5306-00-259-1021 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: MS210954002, MS21095-4002, LK210954002, LK21095-4002, 5306-00-259-1021, 00-259-1021, 5306002591021, 002591021
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 27, 1973 | 00-259-1021 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-00-259-1021
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS21095-4002 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| LK21095-4002 | 26304 | TORKON FASTENER CORP |
Technical Data | NSN 5306-00-259-1021
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| GRIP LENGTH | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
