The Gear Cluster, cataloged under National Stock Number 3020-00-347-9016, 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 Northrop Grumman Systems Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-347-9016 |
| Primary Part Number | 9785X |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.147 INCHES BOTH ENDS IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM TEETH |
| Nominal Overall Length | 0.228 INCHES IN |
| Material Document and Classification | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hub Nominal Length | 0.035 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Nominal Outside Diameter | 0.263 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 0.710 INCHES FIRST GEAR IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9785X | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| 9785X | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 9785X PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9785X | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. |
| 9785X | C/1 Advisory reference — outside the item-of-supply concept Globe Motors, Inc. Dba Allient Dayton |
| 9785X | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 3020-00-347-9016 is a Gear Cluster, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-347-9016 has 3 manufacturer part numbers on file: 9785X (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 9785X (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 9785X (Northrop Grumman Systems Corporation).
Key specifications for 9785X: Bore Nominal Diameter: 0.147 INCHES BOTH ENDS IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Bore Style: PLAIN BOTH ENDS. 13 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.