NSN 5306-01-531-1786
Part Details | MACHINE BOLT
5306-01-531-1786 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: 67819611, 6781961-1, 5306-01-531-1786, 01-531-1786, 5306015311786, 015311786
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 28, 2005 | 01-531-1786 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
Cross Reference | NSN 5306-01-531-1786
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6781961-1 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 5306-01-531-1786
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.875 INCHES NOMINAL |
| FASTENER LENGTH | 3.335 INCHES MINIMUM AND 3.395 INCHES MAXIMUM |
| HEAD HEIGHT | 0.370 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.617 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.812 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.120 INCHES NOMINAL |
| SPECIAL FEATURES | BOLT, LOCK |
| END ITEM IDENTIFICATION | USED ON MK53-DLS, NEXT ASSY 6781950-1 |