Part Details | THUMBSCREW
5305-00-790-9673 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: 129556, 5305-00-790-9673, 00-790-9673, 5305007909673, 007909673
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-790-9673 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
CONE
Cross Reference | NSN 5305-00-790-9673
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 129556 | 09017 | EDO |
Technical Data | NSN 5305-00-790-9673
| 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 | 0.906 INCHES MINIMUM |
| FASTENER LENGTH | 1.656 INCHES NOMINAL |
| HEAD STYLE | 9 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.688 INCHES NOMINAL |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| POINT STYLE | CONE |
| POINT LENGTH | 0.125 INCHES NOMINAL |
| POINT CHAMFER ANGLE | 120.0 DEGREES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
| SECOND DIAMETER FROM HEAD | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.469 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.531 INCHES NOMINAL |