NSN 3020-01-045-8843 1856485, 01-045-8843, 010458843
Product Details | SPUR ANTIBACKLASH GEAR
3020-01-045-8843 An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
Part Alternates: 1856485, 3020-01-045-8843, 01-045-8843, 3020010458843, 010458843
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 09 AUG 1977 | 01-045-8843 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-01-045-8843
Cross Reference | NSN 3020-01-045-8843
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1856485 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS |
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Related Products | NSN 3020-01-045-8843
Technical Data | NSN 3020-01-045-8843
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM BODY STEEL HUB |
| SURFACE TREATMENT | ANODIZE BODY PASSIVATE HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| TEETH QUANTITY | 144 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 3.0000 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.435 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.040 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.310 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.093 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.213 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.562 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 0.875 INCHES FIRST END |
| THIRD STEP NOMINAL DIAMETER | 0.060 INCHES FIRST END |
| MANUFACTURERS CODE | 03956 |
| DESIGN CONTROL REFERENCE | 1856485 |
Restrictions/Controls & Freight Information | NSN 3020-01-045-8843
| 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 | ||