NSN 3020-00-981-7454 AB25080CT120, AB250-80CT120, 10790811
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-981-7454 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: AB25080CT120, AB250-80CT120, 10790811, 1079081-1, 3020-00-981-7454, 00-981-7454, 3020009817454, 009817454
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 00-981-7454 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-981-7454
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Related Products | NSN 3020-00-981-7454
Technical Data | NSN 3020-00-981-7454
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 BODY STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| SURFACE TREATMENT | ANODIZE BODY PASSIVATE HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| TEETH QUANTITY | 80 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.438 INCHES |
| NOMINAL OUTSIDE DIAMETER | 1.2812 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.120 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.250 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.186 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.063 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| ATTACHMENT METHOD | CLAMP |
Restrictions/Controls & Freight Information | NSN 3020-00-981-7454
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||