Part Details | THUMBSCREW
5305-00-454-0376 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: FFT305, MS2131639, MS21316-39, 5305-00-454-0376, 00-454-0376, 5305004540376, 004540376
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | APR 18, 1969 | 00-454-0376 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON EXTENDED WASHER
FLAT
Cross Reference | NSN 5305-00-454-0376
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| FFT305 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
| MS21316-39 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5305-00-454-0376
| 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 | 2.281 INCHES MINIMUM AND 2.594 INCHES MAXIMUM |
| FASTENER LENGTH | 2.406 INCHES MINIMUM AND 2.594 INCHES MAXIMUM |
| HEAD STYLE | 9 HEXAGON EXTENDED WASHER |
| HEAD HEIGHT | 0.560 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.480 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| POINT STYLE | 9 FLAT |
| SPECIAL FEATURES | MINIMUM TENSILE STRENGTH OF 48.000 P.S.I. |