Part Details | THUMBSCREW
5305-01-304-4993 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: A31328311, A3132831-1, A30136071, A3013607-1, 5305-01-304-4993, 01-304-4993, 5305013044993, 013044993
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUL 19, 1989 | 01-304-4993 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
DOUBLE HEXAGON FLATS
Cross Reference | NSN 5305-01-304-4993
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A3132831-1 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
| A3013607-1 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 5305-01-304-4993
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 1.25 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 18.25 MILLIMETERS NOMINAL |
| FASTENER LENGTH | 39.0 MILLIMETERS NOMINAL |
| HEAD STYLE | 0 DOUBLE HEXAGON |
| HEAD HEIGHT | 22.0 MILLIMETERS NOMINAL |
| WIDTH BETWEEN FLATS | 34.0 MILLIMETERS NOMINAL |
| HOLE CONFIGURATION STYLE | 7 DOUBLE HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 2 |
| HOLE DIAMETER | 3.0 MILLIMETERS NOMINAL |
| SPECIAL FEATURES | 1.57 MM MIN AND 1.65 MM MAX DRILLED HOLE IN THREADS, 36.0 MM DISTANCE FROM BEARING SURFACE OF HEAD |