NSN 3020-01-239-6578 508238, 01-239-6578, 012396578
Product Details | HELICAL GEAR
3020-01-239-6578 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: 508238, 3020-01-239-6578, 01-239-6578, 3020012396578, 012396578
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 SEP 1986 | 01-239-6578 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-01-239-6578
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Related Products | NSN 3020-01-239-6578
Technical Data | NSN 3020-01-239-6578
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| TEETH QUANTITY | 111 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| STYLE DESIGNATOR | 8 PROTRUDING HUB, RECESSED BODY |
| PITCH DIAMETER | 19.6872 INCHES NOMINAL |
| FACE NOMINAL WIDTH | 1.875 INCHES |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 12.501 INCHES BOTH ENDS |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN AND 8 COUNTERBORED TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE NOMINAL DIAMETER | 0.351 INCHES TRANSVERSELY THROUGH FACE |
| FEATURES PROVIDED | ALIGNMENT HOLE |
Restrictions/Controls & Freight Information | NSN 3020-01-239-6578
| 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 | ||