NSN 5305-00-649-6981 27931249, 2793-1249, 9077559
Product Details | THUMBSCREW
5305-00-649-6981 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).
Part Alternates: 27931249, 2793-1249, 9077559, 5305-00-649-6981, 00-649-6981, 5305006496981, 006496981
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 01 JAN 1963 | 00-649-6981 | 06673 ( THUMBSCREW ) |
Drawings & Photos | NSN 5305-00-649-6981
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Technical Data | NSN 5305-00-649-6981
| 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 | 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM |
| FASTENER LENGTH | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY OVERALL |
| HEAD HEIGHT | 0.562 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.937 INCHES NOMINAL |
| POINT STYLE | F22 POINTLESS |
| MANUFACTURERS CODE | 3B150 |
| DESIGN CONTROL REFERENCE | 2793-1249 |
Restrictions/Controls & Freight Information | NSN 5305-00-649-6981
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||