NSN 5305-00-206-3979
Part Details | THUMBSCREW
5305-00-206-3979 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: MS2131744, MS21317-44, 10012S41612, 100-12S416-12, 5305-00-206-3979, 00-206-3979, 5305002063979, 002063979
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-206-3979 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON
FLAT
Cross Reference | NSN 5305-00-206-3979
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| MS21317-44 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| 100-12S416-12 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 5305-00-206-3979
| 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 | 0.781 INCHES MAXIMUM |
| FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| HEAD STYLE | 0 DOUBLE HEXAGON |
| HEAD HEIGHT | 0.469 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.688 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| POINT STYLE | 9 FLAT |