NSN 3020-00-276-7257 145051C, 145051F, 830A6
Product Details | HELICAL GEAR
3020-00-276-7257 A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL
Part Alternates: 145051C, 145051F, 830A6, 3020-00-276-7257, 00-276-7257, 3020002767257, 002767257
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-276-7257 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-00-276-7257
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Technical Data | NSN 3020-00-276-7257
| Characteristic | Specifications |
|---|---|
| TEETH QUANTITY | 9 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 39.0000 DEGREES |
| STYLE DESIGNATOR | 4 PROTRUDING HUBS |
| PITCH DIAMETER | 1.1580 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 3.750 INCHES |
| FACE NOMINAL WIDTH | 1.875 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.500 INCHES FIRST END 0.375 INCHES SECOND END |
| KEYWAY NOMINAL WIDTH | 0.127 INCHES BOTH ENDS |
| HUB NOMINAL DIAMETER | 0.875 INCHES SECOND END |
| BODY STYLE | 1 PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
Restrictions/Controls & Freight Information | NSN 3020-00-276-7257
| 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 | ||