Part Details | THUMBSCREW
5305-01-022-1948 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: 8178471, 817847-1, 5305-01-022-1948, 01-022-1948, 5305010221948, 010221948
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 26, 1976 | 01-022-1948 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
FLAT
Cross Reference | NSN 5305-01-022-1948
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 817847-1 | 96214 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-01-022-1948
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.400 INCHES NOMINAL |
| FASTENER LENGTH | 1.355 INCHES MINIMUM AND 1.395 INCHES MAXIMUM |
| HEAD STYLE | 9 HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |
| FIRST DIAMETER FROM HEAD | 0.188 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.955 INCHES MINIMUM AND 0.995 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.062 IN. @MIN 0.065 IN. MAX DIA HOLE DRILLED IN EACH WING OF HEAD 0.062 IN. MIN 0.065 IN. MAX DIA HOLE DRILLED IN UNTHREADED SHANK 0.250 IN. FROM BEARING SURFACE OF HEAD |