Part Details | THUMBSCREW
5305-01-216-3995 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: 810AS2298, 810AS2298, 5305-01-216-3995, 01-216-3995, 5305012163995, 012163995
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | SEP 10, 1985 | 01-216-3995 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
CROWNED HEXAGON
FLAT
Cross Reference | NSN 5305-01-216-3995
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 810AS2298 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
| 810AS2298 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER |
Technical Data | NSN 5305-01-216-3995
| 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 | 0.530 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD STYLE | 3 CROWNED HEXAGON |
| HEAD DIAMETER | 0.500 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |
| SPECIAL FEATURES | MEDIUM STRAIGHT KNURL ON HEAD; 0.062 IN. GROOVE IN SHOULDER, 0.125 IN. DISTANCE FROM END ADJOINTING THE THREADS; 0.112-40UNC-2B THREADED HOLE BY 0.250 IN. DEEP IN CENTER OF HEAD |