NSN 3020-01-013-9987 AP96N185, 01-013-9987, 010139987
Product Details | SPUR ANTIBACKLASH GEAR
3020-01-013-9987 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: AP96N185, 3020-01-013-9987, 01-013-9987, 3020010139987, 010139987
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 12 DEC 1975 | 01-013-9987 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-01-013-9987
Cross Reference | NSN 3020-01-013-9987
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| AP96N185 | 29440 | W. M. BERG INC |
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Technical Data | NSN 3020-01-013-9987
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 BODY STEEL COMP 303 HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-S-764 FED 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 | 185 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| STYLE DESIGNATOR | 4 PROTRUDING HUBS |
| PITCH DIAMETER | 1.9270 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 1.948 INCHES |
| FACE NOMINAL WIDTH | 0.104 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.256 INCHES FIRST END 0.046 INCHES SECOND END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 4A 1 STEP FIRST END 1 PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 0.687 INCHES SECOND END |
| END NOMINAL LENGTH | 0.210 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.046 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.687 INCHES FIRST END |
Restrictions/Controls & Freight Information | NSN 3020-01-013-9987
| 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 | ||