Part Details | THUMBSCREW
5305-01-047-8818 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: 21C5237P17, 21C5237P17, 21C5237P17, 21C5237P17, 21C5237P17, 5305-01-047-8818, 01-047-8818, 5305010478818, 010478818
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 15, 1977 | 01-047-8818 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
DOG
Cross Reference | NSN 5305-01-047-8818
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 21C5237P17 | 63259 | BONIFACE TOOL & DIE, INC. |
| 21C5237P17 | 8Z161 | DANVERS ENGINEERING CO INC |
| 21C5237P17 | 07482 | GENERAL ELECTRIC COMPANYDBA GE |
| 21C5237P17 | 59954 | MAR-CON TOOL COMPANY (INC) |
| 21C5237P17 | 07842 | PENN SCIENTIFIC PRODUCTS COMPANY INC |
Technical Data | NSN 5305-01-047-8818
| 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 | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| FASTENER LENGTH | 0.560 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.188 INCHES NOMINAL |
| POINT STYLE | DOG |
| POINT LENGTH | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| POINT DIAMETER | 0.180 INCHES NOMINAL |