Part Details | THUMBSCREW
5305-01-197-4644 An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).
Alternate Parts: 12292661, 5305-01-197-4644, 01-197-4644, 5305011974644, 011974644
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 21, 1984 | 01-197-4644 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-01-197-4644
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12292661 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 5305-01-197-4644
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 24 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.300 INCHES NOMINAL |
| FASTENER LENGTH | 0.630 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.625 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |
| SPECIAL FEATURES | FASTNER HAS AN UNDERCUT 0.12 INCHWIDE; UNTHREADED PORTION OF FASTNER HAS A DIAMETER OF 0.220 INCH |