The Gear,helical, cataloged under National Stock Number 3020-00-124-5875, 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 Komatsu America Corp.. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-124-5875 |
| Primary Part Number | 607121C1 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Helix Angle | 13.0000 DEGREES |
| Teeth Quantity | 10 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.400 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 2.062 INCHES IN |
| 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 |
|---|---|
| 607121C1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 607121C1 | 5/9 Secondary reference U.S. Government activity |
| 278587R1 | 5/9 Secondary reference U.S. Government activity |
| 278587R1 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
| 607121C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 3020-00-124-5875 is a Gear,helical, manufactured by Komatsu America Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-124-5875 has 1 manufacturer part number on file: 607121C1 (Komatsu America Corp.).
Key specifications for 607121C1: Helix Angle: 13.0000 DEGREES; Teeth Quantity: 10; Body Style: PLAIN, SOLID; Tooth Direction: LEFT. 12 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.