Part Details | THUMBSCREW
5305-00-638-6308 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: 167N468, 5305-00-638-6308, 00-638-6308, 5305006386308, 006386308
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-638-6308 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
FLAT
Cross Reference | NSN 5305-00-638-6308
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 167N468 | 25500 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
Technical Data | NSN 5305-00-638-6308
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| FASTENER LENGTH | 1.375 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| HEAD STYLE | 0 DOUBLE HEXAGON |
| HEAD HEIGHT | 0.875 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.188 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |