NSN 3020-00-341-9845 12374372, 1237437-2, 00-341-9845
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-341-9845 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: 12374372, 1237437-2, 3020-00-341-9845, 00-341-9845, 3020003419845, 003419845
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-341-9845 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-341-9845
Cross Reference | NSN 3020-00-341-9845
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1237437-2 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
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Related Products | NSN 3020-00-341-9845
Technical Data | NSN 3020-00-341-9845
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 416 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 6,TYPE C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 80 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| STYLE DESIGNATOR | 38 PERIPHERAL FACE, HUBLESS |
| PITCH DIAMETER | 0.6289 INCHES MINIMUM AND 0.6299 INCHES MAXIMUM |
| NOMINAL OVERALL LENGTH | 0.536 INCHES |
| NOMINAL OUTSIDE DIAMETER | 0.644 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.097 INCHES SECOND END |
| HUB STYLE DESIGNATOR | 4C 3 STEPS BOTH ENDS |
| END NOMINAL LENGTH | 0.051 INCHES FIRST END 0.097 INCHES SECOND END |
| END NOMINAL DIAMETER | 0.046 INCHES FIRST END 0.046 INCHES SECOND END |
| FIRST STEP NOMINAL LENGTH | 0.046 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.095 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.154 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 0.416 INCHES FIRST END |
| SPECIAL FEATURES | ADDITIONAL GEAR IS THIRD STEP OF FIRST END PITCH DIAMETER 0.4005 INCH MINIMUM,0.4015 INCH MAXIMUM,51 TEETH,20 DEGREE PRESSURE ANGLE |
| MANUFACTURERS CODE | 55972 |
| DESIGN CONTROL REFERENCE | 1237437-2 |
Restrictions/Controls & Freight Information | NSN 3020-00-341-9845
| 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 | ||