Part Details | THUMBSCREW
5305-00-857-6160 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: 309R340H01, 5305-00-857-6160, 00-857-6160, 5305008576160, 008576160
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | OCT 11, 1967 | 00-857-6160 | 06673 ( THUMBSCREW ) |
REFERENCE DRAWINGS & PICTURES
HEXAGON COUNTERSUNK UNDERCUT
FLAT
Cross Reference | NSN 5305-00-857-6160
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 309R340H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS |
Technical Data | NSN 5305-00-857-6160
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.480 INCHES MINIMUM |
| FASTENER LENGTH | 1.410 INCHES NOMINAL |
| HEAD STYLE | 6 HEXAGON COUNTERSUNK UNDERCUT |
| HEAD DIAMETER | 0.756 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD HEIGHT | 0.340 INCHES NOMINAL |
| POINT STYLE | 9 FLAT |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |