The Gear Cluster, cataloged under National Stock Number 3020-01-353-3033, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-353-3033 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Design Type | SPUR FIRST GEAR |
| Design Type | HELICAL SECOND GEAR |
| Bore Style | PLAIN BOTH ENDS |
| Bore Style | W/COUNTERBORE FIRST END |
| Nominal Overall Length | 3.690 INCHES IN |
| Nominal Outside Diameter | 3.340 INCHES FOURTH GEAR IN |
| Material | STEEL OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| XB5815 | C/1 Advisory reference — outside the item-of-supply concept Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| B5815 | D/9 Drawing number reference only Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| X9994A ITEM XB5815 | 3/9 Design control — primary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
NSN 3020-01-353-3033 is a Gear Cluster, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-353-3033: Design Type: SPUR FIRST GEAR; Design Type: HELICAL SECOND GEAR; Bore Style: PLAIN BOTH ENDS; Bore Style: W/COUNTERBORE FIRST END. 8 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.