NSN 5306-00-021-4259
Part Details | MACHINE BOLT
5306-00-021-4259 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: 9408997, 214259, MILB45912, MIL-B-45912, MS357641120, MS35764-1120, MS35764520, MS35764-520, 214259, 5306-00-021-4259, 00-021-4259, 5306000214259, 000214259
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-021-4259 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
Cross Reference | NSN 5306-00-021-4259
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9408997 | 24617 | GENERAL MOTORS CORP |
| 214259 | 24617 | GENERAL MOTORS CORP |
| MIL-B-45912 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MS35764-1120 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS35764-520 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 214259 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5306-00-021-4259
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | UNDERCUT HEXAGON |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.594 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| FASTENER LENGTH | 1.670 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.985 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| SPECIFICATION/STANDARD DATA | 81349-MIL-B-45912 GOVERNMENT SPECIFICATION AND 96906-MS35764 REV D/INACIVE/ GOVERNMENT STANDARD |
| NONDEFINITIVE SPEC/STD DATA | B COMPOSITION |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY OPTIONAL ZINC COATED SURF. TREAT. |