Part Details | THUMBSCREW
5305-00-646-6173 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: 27931120, 2793-1120, 9075204, 5305-00-646-6173, 00-646-6173, 5305006466173, 006466173
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-646-6173 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
FLAT
Cross Reference | NSN 5305-00-646-6173
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2793-1120 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| 9075204 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-00-646-6173
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.562 INCHES MINIMUM |
| FASTENER LENGTH | 1.718 INCHES NOMINAL |
| HEAD STYLE | 5 DOUBLE HEXAGON |
| HEAD HEIGHT | 0.750 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.937 INCHES NOMINAL |
| POINT STYLE | 6 FLAT |