The Gear,helical, cataloged under National Stock Number 3020-00-901-7732, 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 Ge Aviation Systems Llc. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-901-7732 |
| Primary Part Number | 140797-01 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Helix Angle | 2.0000 DEGREES |
| Hub Nominal Diameter | 0.880 INCHES FIRST END IN |
| Teeth Quantity | 112 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.034 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.103 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.5577 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.585 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC ACETAL OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.625 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.093 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 |
|---|---|
| 140797-01 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 3020-00-901-7732 is a Gear,helical, manufactured by Ge Aviation Systems Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-901-7732 has 1 manufacturer part number on file: 140797-01 (Ge Aviation Systems Llc).
Key specifications for 140797-01: Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Helix Angle: 2.0000 DEGREES; Hub Nominal Diameter: 0.880 INCHES FIRST END IN; Teeth Quantity: 112. 20 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.