Part Details | THUMBSCREW
5305-01-255-4613 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: 84019573, 8401957-3, 84019573, 8401957-3, 5305-01-255-4613, 01-255-4613, 5305012554613, 012554613
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 21, 1987 | 01-255-4613 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-01-255-4613
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8401957-3 | 17863 | LITTON SYSTEMS INCGUIDANCE AND CONTROL SYSTEMS DIV |
| 8401957-3 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS |
Technical Data | NSN 5305-01-255-4613
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.380 INCHES MINIMUM |
| FASTENER LENGTH | 1.380 INCHES NOMINAL |
| HEAD STYLE | 9 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.370 INCHES NOMINAL |
| HEAD HEIGHT | 0.500 INCHES NOMINAL |
| POINT STYLE | 6 FLAT |
| SPECIAL FEATURES | FURNISHED WITH UNDERCUT 0.018 IN. MIN. 0.020 IN. MAX LENGTH AND 0.095 IN. MIN. 0.097 IN. MAX DIA |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |