NSN 5306-01-251-3440
Part Details | MACHINE BOLT
5306-01-251-3440 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: AN44A, AN4-4A, LP44AM, LP4-4AM, 5306-01-251-3440, 01-251-3440, 5306012513440, 012513440
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAR 18, 1987 | 01-251-3440 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
Cross Reference | NSN 5306-01-251-3440
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AN4-4A | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
| LP4-4AM | 03038 | LONG-LOK FASTENERS CORPORATION |
Technical Data | NSN 5306-01-251-3440
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | DISHED 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 | 0.438 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| FASTENER LENGTH | 0.516 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| 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 | 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| SPECIAL FEATURES | CROSS RECESS DRIVE IN HEAD; COLOR GREEN |