Part Details | THUMBSCREW
5305-01-278-1986 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: 0N3644011, 0N364401-1, 0N364401, THS2041, THS-2041, 5305-01-278-1986, 01-278-1986, 5305012781986, 012781986
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 03, 1988 | 01-278-1986 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-01-278-1986
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 0N364401-1 | 98230 | NATIONAL SECURITY AGENCY |
| 0N364401 | 98230 | NATIONAL SECURITY AGENCY |
| THS-2041 | 04729 | UNICORP |
Technical Data | NSN 5305-01-278-1986
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.337 INCHES MINIMUM AND 0.387 INCHES MAXIMUM |
| FASTENER LENGTH | 0.387 INCHES NOMINAL |
| HEAD STYLE | 7 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |