NSN 5305-01-146-4778 CL3SHSNBO, CL-3-SHS-N-BO, 5391283
Product Details | THUMBSCREW
5305-01-146-4778 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: CL3SHSNBO, CL-3-SHS-N-BO, 5391283, 539128-3, 5305-01-146-4778, 01-146-4778, 5305011464778, 011464778
Hardware and Abrasives | Screws
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 31 JAN 1983 | 01-146-4778 | 06673 ( THUMBSCREW ) |
Drawings & Photos | NSN 5305-01-146-4778
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Technical Data | NSN 5305-01-146-4778
| 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 | 1.594 INCHES NOMINAL |
| FASTENER LENGTH | 2.000 INCHES NOMINAL |
| SURFACE TREATMENT | OXIDE OVERALL |
| HEAD STYLE | C66 KNURLED NO. 1 |
| HEAD DIAMETER | 1.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.313 INCHES NOMINAL |
| POINT STYLE | F17 FULL DOG |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER LENGTH | 0.125 INCHES NOMINAL FIRST SHOULDER |
| FEATURES PROVIDED | CASEHARDENED AND FINISHED HEAD |
| SPECIAL FEATURES | WITH NYLON 40 DEG SWIVEL FOOT |
| MANUFACTURERS CODE | 99862 |
| DESIGN CONTROL REFERENCE | CL-3-SHS-N-BO |
Restrictions/Controls & Freight Information | NSN 5305-01-146-4778
| 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 | ||