The Gear Cluster, cataloged under National Stock Number 3020-00-491-6911, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-491-6911 |
| Primary Part Number | 176476 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.310 INCHES BOTH ENDSUNABLE TO DECODE IN |
| Hub Nominal Diameter | 0.787 INCHES BOTH ENDSUNABLE TO DECODE IN |
| Hub Nominal Diameter | 1.000 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Backlash Designation | GRADE C ALL GEARSUNABLE TO DECODE |
| Counterbore Nominal Diameter | 0.5600 INCHES FIRST ENDUNABLE TO DECODE IN |
| Design Type | SPUR SECOND GEARUNABLE TO DECODE |
| Design Type | SPUR FIRST GEARUNABLE TO DECODE |
| Bore Style | W/COUNTERBORE FIRST ENDUNABLE TO DECODE |
| Hardness Rating | 60.0 ROCKWELL C NOMINAL TEETHUNABLE TO DECODE |
| Nominal Overall Length | 3.410 INCHES IN |
| Material Document and Classification | AMS 6263 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | UNABLE TO DECODEAMS 6263 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS 6263 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE |
| Hub Style Designator | 1 STEP BOTH ENDSUNABLE TO DECODE |
| Hub Nominal Length | 0.532 INCHES SECOND ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 0.588 INCHES FIRST ENDUNABLE TO DECODE IN |
| Hub Nominal Length | 0.690 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN |
| Nominal Outside Diameter | 1.808 INCHES SECOND GEARUNABLE TO DECODE IN |
| Nominal Outside Diameter | 4.911 INCHES FIRST GEARUNABLE TO DECODE IN |
| Material | STEEL OVERALL |
| Material | STEEL OVERALLUNABLE TO DECODE |
| Counterbore Nominal Depth | 2.420 INCHES FIRST ENDUNABLE TO DECODE IN |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 176476 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3020-00-491-6911 is a Gear Cluster, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-491-6911 has 1 manufacturer part number on file: 176476 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
Key specifications for 176476: Bore Nominal Diameter: 0.310 INCHES BOTH ENDSUNABLE TO DECODE IN; Hub Nominal Diameter: 0.787 INCHES BOTH ENDSUNABLE TO DECODE IN; Hub Nominal Diameter: 1.000 INCHES BETWEEN FIRST AND SECOND GEARUNABLE TO DECODE IN; Backlash Designation: GRADE C ALL GEARSUNABLE TO DECODE. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.