Part Details | THUMBSCREW
5305-01-217-4001 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: 1339AS1731, 1339AS173-1, 5305-01-217-4001, 01-217-4001, 5305012174001, 012174001
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 26, 1985 | 01-217-4001 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
FLAT
Cross Reference | NSN 5305-01-217-4001
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1339AS173-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
Technical Data | NSN 5305-01-217-4001
| 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 | 0.770 INCHES MINIMUM AND 0.870 INCHES MAXIMUM |
| FASTENER LENGTH | 0.870 INCHES NOMINAL |
| HEAD STYLE | 9 HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 1.000 INCHES MINIMUM AND 1.240 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.880 INCHES MINIMUM AND 1.120 INCHES MAXIMUM |
| POINT STYLE | 9 FLAT |