The Gear,helical, cataloged under National Stock Number 3020-01-648-6044, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-648-6044 |
| Primary Part Number | P000121 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Helix Angle | 15.0 DEGREES |
| Teeth Quantity | 56 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Tooth Direction | RIGHT |
| Precision Classification | QUALITY NUMBER 9 |
| Teeth Type | SINGLE HELIX |
| Style Designator | FLUSH HUB |
| Pitch Diameter | 14.494 INCHES NOMINAL IN |
| Keyway Quantity | 1 |
| Nominal Outside Diameter | 14.994 INCHES IN |
| Pressure Angle | 20.0 DEGREES |
| Material | STEEL COMP E4340 OVERALL |
| Face Nominal Width | 4.000 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 |
|---|---|
| P000121 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| DWG P000121 REV A | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 3020-01-648-6044 is a Gear,helical, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-648-6044 has 1 manufacturer part number on file: P000121 (Lake Shore Systems, Inc.).
Key specifications for P000121: Helix Angle: 15.0 DEGREES; Teeth Quantity: 56; Body Style: PLAIN, WITH LIGHTENING HOLES; Tooth Direction: RIGHT. 13 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.