NSN 5306-00-018-8978
Part Details | MACHINE BOLT
5306-00-018-8978 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: 188978, 188978, 188978, 188978, 5306-00-018-8978, 00-018-8978, 5306000188978, 000188978
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-018-8978 | 01847 ( BOLT, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON
Cross Reference | NSN 5306-00-018-8978
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 188978 | 21450 | ARMY WEAPONS COMMANDATTN AMSWE-REE-S |
| 188978 | 24617 | GENERAL MOTORS CORP |
| 188978 | 7X677 | GENERAL MOTORS LLCDBA GENERAL MOTORS |
| 188978 | 72582 | MTU AMERICA INC. |
Technical Data | NSN 5306-00-018-8978
| Characteristic | Specifications |
|---|---|
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES MINIMUM |
| FASTENER LENGTH | 0.375 INCHES NOMINAL |
| HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| FEATURES PROVIDED | UNFINISHED HEAD |
