Part Details | THUMBSCREW
5305-01-255-4959 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: 9240237, 924023-7, AD3480323, AD34803-23, 5305-01-255-4959, 01-255-4959, 5305012554959, 012554959
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 21, 1987 | 01-255-4959 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
OVAL
Cross Reference | NSN 5305-01-255-4959
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 924023-7 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| AD34803-23 | 77445 | UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS |
Technical Data | NSN 5305-01-255-4959
| 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 | 1.713 INCHES MINIMUM AND 1.900 INCHES MAXIMUM |
| FASTENER LENGTH | 1.838 INCHES MINIMUM AND 1.900 INCHES MAXIMUM |
| HEAD STYLE | 7 DOUBLE HEXAGON |
| HEAD HEIGHT | 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM |
| POINT STYLE | 2 OVAL |
| SPECIAL FEATURES | DRILLED HOLE LOCATED 1.713 IN. MIN AND 1.737 IN. MAX FROM BEARING SURFACE OF HEAD. DIAMETER OF HOLE TO BE 0.062 IN. MIN AND 0.065 IN. MAX |