Part Details | THUMBSCREW
5305-01-254-5409 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: CL425TSA, CL-425-TSA, 5305-01-254-5409, 01-254-5409, 5305012545409, 012545409
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 07, 1987 | 01-254-5409 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-01-254-5409
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| CL-425-TSA | 99862 | CARR LANE MANUFACTURING COMPANYDBA CARR LANE MANUFACTURING |
Technical Data | NSN 5305-01-254-5409
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| FASTENER LENGTH | 2.500 INCHES NOMINAL |
| HEAD STYLE | 9 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.688 INCHES NOMINAL |
| POINT STYLE | 5 FLAT |
| SPECIAL FEATURES | FURNISH WITH JAM NUT; STRAIGHT KNURL |