NSN 3020-00-778-3989 8633799, 00-778-3989, 007783989
Product Details | GEAR CLUSTER
3020-00-778-3989 A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.
Part Alternates: 8633799, 3020-00-778-3989, 00-778-3989, 3020007783989, 007783989
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1962 | 00-778-3989 | 36636 ( GEAR CLUSTER ) |
Drawings & Photos | NSN 3020-00-778-3989
Cross Reference | NSN 3020-00-778-3989
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8633799 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Technical Data | NSN 3020-00-778-3989
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB QQ-B-613,COMP 24 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR QQ-B-626,COMP 22,1/2H FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| CONSTRUCTION | ASSEMBLED |
| DESIGN TYPE | SPUR FIRST GEAR SPUR SECOND GEAR |
| NOMINAL OUTSIDE DIAMETER | 1.456 INCHES FIRST GEAR 0.415 INCHES SECOND GEAR |
| NOMINAL OVERALL LENGTH | 0.207 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 8 ALL GEARS |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 PLAIN FIRST END |
| HUB NOMINAL LENGTH | 0.0280 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 0.360 INCHES FIRST END |
| MANUFACTURERS CODE | 18876 |
| DESIGN CONTROL REFERENCE | 8633799 |
Restrictions/Controls & Freight Information | NSN 3020-00-778-3989
| 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 |
|---|---|---|
| NMF Description | 197339 | WHEELS COG/GEAR/PINION I/S |
| Less than car load rating | ||
| Less than truck load rating | R | 65.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |