The Gear Cluster, cataloged under National Stock Number 3020-01-104-3018, 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 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-104-3018 |
| Primary Part Number | 315C127-1 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.210 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.2100 INCHES BETWEEN SECOND AND THIRD GEAR IN |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Design Type | SPUR SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | PARTIAL FIRST END |
| Nominal Overall Length | 1.060 INCHES IN |
| Bore Nominal Depth | 0.380 INCHES FIRST END IN |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | 1 STEP FIRST END |
| Hub Nominal Length | 0.310 INCHES FIRST END IN |
| Hub Nominal Length | 0.120 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Hub Nominal Length | 0.0300 INCHES SECOND END IN |
| Nominal Outside Diameter | 0.2100 INCHES FIRST GEAR IN |
| Nominal Outside Diameter | 0.2100 INCHES SECOND GEAR IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP E9310 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 | X |
| Part Number | Manufacturer |
|---|---|
| 315C127-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 315C127-1 | 5/9 Secondary reference Eaton Motor Site |
NSN 3020-01-104-3018 is a Gear Cluster, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-104-3018 has 1 manufacturer part number on file: 315C127-1 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 315C127-1: Bore Nominal Diameter: 0.210 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.2100 INCHES BETWEEN SECOND AND THIRD GEAR IN; Surface Treatment Document and Classification: MIL-C-13924,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Design Type: SPUR SECOND GEAR. 18 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.