NSN 5305-01-259-1181 6157USS2520, 6157U-SS-2520, 01-259-1181
Product Details | THUMBSCREW
5305-01-259-1181 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: 6157USS2520, 6157U-SS-2520, 5305-01-259-1181, 01-259-1181, 5305012591181, 012591181
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 13 JUL 1987 | 01-259-1181 | 06673 ( THUMBSCREW ) |
Drawings & Photos | NSN 5305-01-259-1181
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Technical Data | NSN 5305-01-259-1181
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.375 INCHES NOMINAL |
| FASTENER LENGTH | 0.675 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-W-52263C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | C69 KNURLED NO. 4 |
| HEAD DIAMETER | 0.562 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| HEAD HEIGHT | 0.250 INCHES NOMINAL |
| POINT STYLE | F16 CONE |
Restrictions/Controls & Freight Information | NSN 5305-01-259-1181
| 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 | ||