Part Details | THUMBSCREW
5305-00-837-8923 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: 9178738, 5305-00-837-8923, 00-837-8923, 5305008378923, 008378923
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-837-8923 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 5305-00-837-8923
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 9178738 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-00-837-8923
| 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 | 0.313 INCHES MINIMUM |
| FASTENER LENGTH | 1.437 INCHES NOMINAL |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.937 INCHES NOMINAL |
| POINT LENGTH | 0.187 INCHES NOMINAL |
| POINT DIAMETER | 0.175 INCHES NOMINAL |
| POINT CHAMFER ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |