Part Details | THUMBSCREW
5305-01-391-1439 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: G3868031, G386803-1, G3868031, G386803-1, G3868031, G386803-1, 5305-01-391-1439, 01-391-1439, 5305013911439, 013911439
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 06, 1994 | 01-391-1439 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
Cross Reference | NSN 5305-01-391-1439
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| G386803-1 | 54X10 | RAYTHEON COMPANYDBA RAYTHEON |
| G386803-1 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| G386803-1 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-01-391-1439
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.440 INCHES MINIMUM |
| FASTENER LENGTH | 2.060 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.380 INCHES NOMINAL |
| SPECIAL FEATURES | HEAD CHAMFERED 0.100 IN. X 45.0 DEG. GRIP UNDERCUT 0.620 IN. FROM FASTENER END, 0.050 IN. WIDE, PORM 0.002 IN., UNDERCUT DIA. 0.3605 IN., PORM 0.0015 IN. |