NSN 3020-00-568-8333 8172333, 00-568-8333, 005688333
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-568-8333 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: 8172333, 3020-00-568-8333, 00-568-8333, 3020005688333, 005688333
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-568-8333 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-568-8333
Cross Reference | NSN 3020-00-568-8333
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8172333 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Technical Data | NSN 3020-00-568-8333
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 6,TYPE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 20.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 158 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 14.5000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 8 |
| BACKLASH DESIGNATION | GRADE C |
| STYLE DESIGNATOR | 1 HUBLESS |
| PITCH DIAMETER | 3.2917 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.331 INCHES |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.688 INCHES BOTH ENDS |
| MANUFACTURERS CODE | 18876 |
| DESIGN CONTROL REFERENCE | 8172333 |
Restrictions/Controls & Freight Information | NSN 3020-00-568-8333
| 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 | ||