Part Details | THUMBSCREW
5305-00-800-8427 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: 8008427, 5305-00-800-8427, 00-800-8427, 5305008008427, 008008427
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1962 | 00-800-8427 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-00-800-8427
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8008427 | 18876 | U S ARMY AVIATION AND MISSILECOMMAND |
Technical Data | NSN 5305-00-800-8427
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| HEAD HEIGHT | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| POINT LENGTH | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.578 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |