The Gear Cluster, cataloged under National Stock Number 3020-01-270-5915, 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 Triumph/magna Mixer Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-270-5915 |
| Primary Part Number | 1276-N |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Triumph/magna Mixer Co |
| Status | ACTIVE |
| Keyway Nominal Width | 0.188 INCHES FIRST END IN |
| Bore Nominal Diameter | 2.687 INCHES FIRST END IN |
| Design Type | SPUR SECOND GEAR |
| Design Type | HELICAL FIRST GEAR |
| Design Type | BEVEL THIRD GEAR |
| Bore Style | W/ KEYWAY FIRST END |
| Hub Style Designator | 1 STEP BETWEEN FIRST AND SECOND GEAR |
| Nominal Outside Diameter | 5.750 INCHES FIRST GEAR IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.452 INCHES FIRST END IN |
| Construction | ASSEMBLED |
| 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 |
|---|---|
| 1276-N PRIMARY | Triumph/magna Mixer Co (USA) |
| Reference | Meaning |
|---|---|
| 1197-N | D/9 Drawing number reference only Triumph/magna Mixer Co |
NSN 3020-01-270-5915 is a Gear Cluster, manufactured by Triumph/magna Mixer Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-270-5915 has 1 manufacturer part number on file: 1276-N (Triumph/magna Mixer Co).
Key specifications for 1276-N: Keyway Nominal Width: 0.188 INCHES FIRST END IN; Bore Nominal Diameter: 2.687 INCHES FIRST END IN; Design Type: SPUR SECOND GEAR; Design Type: HELICAL FIRST GEAR. 10 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.