NSN 5305-00-143-3222
Part Details | THUMBSCREW
5305-00-143-3222 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: A5318811, 5305-00-143-3222, 00-143-3222, 5305001433222, 001433222
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 30, 1968 | 00-143-3222 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
FLAT
Cross Reference | NSN 5305-00-143-3222
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A5318811 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 5305-00-143-3222
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| FASTENER LENGTH | 0.765 INCHES MINIMUM AND 0.797 INCHES MAXIMUM |
| HEAD STYLE | 9 DOUBLE HEXAGON |
| HEAD HEIGHT | 1.265 INCHES MINIMUM AND 1.297 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| POINT STYLE | 9 FLAT |
| SPECIAL FEATURES | DRILLED HOLE 0.109IN. DIAIN THD END FOR TAPER PIN |