The Gear,helical, cataloged under National Stock Number 3020-00-032-1527, 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 General Electric Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-032-1527 |
| Primary Part Number | 288C726-001 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Helix Angle | 5.0000 DEGREES |
| Teeth Quantity | 18 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Pitch Diameter | 6.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Pressure Angle | 25.0000 DEGREES |
| 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 |
|---|---|
| 288C726-001 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| C3197989 | 5/2 Secondary reference U.S. Government activity |
| 288C726-001 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 3020-00-032-1527 is a Gear,helical, manufactured by General Electric Company, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-032-1527 has 1 manufacturer part number on file: 288C726-001 (General Electric Company).
Key specifications for 288C726-001: Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Helix Angle: 5.0000 DEGREES; Teeth Quantity: 18; Body Style: PLAIN, SOLID. 11 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.