The Gear,helical, cataloged under National Stock Number 3020-01-369-4950, 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 Kone Industrial Oy. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-369-4950 |
| Primary Part Number | EHW325X11H-100 ITEM 21 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kone Industrial Oy |
| Status | ACTIVE |
| Teeth Quantity | 66 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | HUBLESS |
| Nominal Outside Diameter | 213.1 MILLIMETERS MM |
| Face Nominal Width | 50.0 MILLIMETERS MM |
| 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 |
|---|---|
| EHW325X11H-100 ITEM 21 | Kone Industrial Oy (FIN) |
| Reference | Meaning |
|---|---|
| EHW325X11H-100 ITEM 21 | 5/9 Secondary reference Kone Oyj Hyvinkaan Tehtaat |
| HS125-1366-55 | C/1 Advisory reference — outside the item-of-supply concept Kone Industrial Oy |
| EHW325X11H-100 | D/9 Drawing number reference only Kone Oyj Hyvinkaan Tehtaat |
| HS125-1366-55 | 3/9 Design control — primary reference Kone Oyj Hyvinkaan Tehtaat |
NSN 3020-01-369-4950 is a Gear,helical, manufactured by Kone Industrial Oy, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-369-4950 has 1 manufacturer part number on file: EHW325X11H-100 ITEM 21 (Kone Industrial Oy).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-369-4951, 3020-01-369-4952, 3040-01-369-4991. Verify interchangeability with system specifications before substitution.
Key specifications for EHW325X11H-100 ITEM 21: Teeth Quantity: 66; Body Style: PLAIN, SOLID; Tooth Direction: LEFT; Bore Style: PLAIN BOTH ENDS. 7 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.