The Gear Cluster, cataloged under National Stock Number 3020-01-289-3801, 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 Lake Shore Systems, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-289-3801 |
| Primary Part Number | 1174862 |
| Item Name | Gear Cluster |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Design Type | SPUR SECOND GEAR |
| Design Type | BEVEL FIRST GEAR |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 318244-78 | Lake Shore Systems, Inc. (USA) |
| PL-318244 ITEM 78 | Lake Shore Systems, Inc. (USA) |
| 1174862 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 318244-78 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 318244 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3020-01-289-3801 is a Gear Cluster, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-289-3801 has 3 manufacturer part numbers on file: 318244-78 (Lake Shore Systems, Inc.), PL-318244 ITEM 78 (Lake Shore Systems, Inc.), 1174862 (Lake Shore Systems, Inc.).
Key specifications for 1174862: Design Type: SPUR SECOND GEAR; Design Type: BEVEL FIRST GEAR; End Item Identification: 3950-01-200-4535 WINCH ASSY,DOUBLE D; Material: STEEL OVERALL. 3 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.