Part Details | THUMBSCREW
5305-00-450-1903 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: NAS1300C06T8D, 5305-00-450-1903, 00-450-1903, 5305004501903, 004501903
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | DEC 17, 1969 | 00-450-1903 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
FLAT
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5305-00-450-1903
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| NAS1300C06T8D | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
Technical Data | NSN 5305-00-450-1903
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.407 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| HEAD STYLE | 9 HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.307 INCHES MINIMUM AND 0.337 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.288 INCHES MINIMUM AND 0.318 INCHES MAXIMUM |
| HOLE CONFIGURATION STYLE | 6 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 1 |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |