The Gear Cluster, cataloged under National Stock Number 3020-01-282-7076, 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 Honeywell International Inc. Div Aerospace - Torrance. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-282-7076 |
| Primary Part Number | 2045417-4 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.000 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.243 INCHES SECOND END IN |
| Hub Nominal Diameter | 2.250 INCHES BETWEEN FIRST AND SECOND GEAR IN |
| Counterbore Nominal Diameter | 1.290 INCHES BOTH ENDS IN |
| Design Type | BEVEL SECOND GEAR |
| Design Type | SPUR FIRST GEAR |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Hardness Rating | 90.0 ROCKWELL SUPERFICIAL 15-N NOMINAL TEETH |
| Hardness Rating | 48.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM HUB |
| Nominal Overall Length | 2.750 INCHES IN |
| Material Document and Classification | AMS3411 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Style Designator | PLAIN BOTH ENDS |
| Hub Nominal Length | 0.789 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 2.243 INCHES SECOND GEAR IN |
| Nominal Outside Diameter | 2.250 INCHES THIRD GEAR IN |
| Nominal Outside Diameter | 5.470 INCHES FIRST GEAR IN |
| Material | STEEL COMP 4330 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 |
|---|---|
| 2045417-4 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 2045417-2 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 3020-01-282-7076 is a Gear Cluster, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-282-7076 has 1 manufacturer part number on file: 2045417-4 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2045417-4: Bore Nominal Diameter: 2.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.243 INCHES SECOND END IN; Hub Nominal Diameter: 2.250 INCHES BETWEEN FIRST AND SECOND GEAR IN; Counterbore Nominal Diameter: 1.290 INCHES BOTH ENDS IN. 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.