The Gear,helical, cataloged under National Stock Number 3020-00-593-5010, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-593-5010 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.1560 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.295 INCHES BETWEEN BODY AND FLANGE IN |
| Teeth Quantity | 25 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Flange Nominal Thickness | 0.183 INCHES IN |
| Flange Nominal Diameter | 0.500 INCHES IN |
| Mounting Hole Type and Quantity | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Teeth Type | SINGLE HELIX |
| Style Designator | FLANGED END |
| Pitch Diameter | 0.3490 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.3760 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 40 TRANSVERSELY THROUGH HUB FIRST END |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.250 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 |
| Reference | Meaning |
|---|---|
| 111339-01 | C/1 Advisory reference — outside the item-of-supply concept Safran Power Usa Llc |
| 111339-01 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
NSN 3020-00-593-5010 is a Gear,helical, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-593-5010: Bore Nominal Diameter: 0.1560 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.295 INCHES BETWEEN BODY AND FLANGE IN; Teeth Quantity: 25; Body Style: PLAIN, SOLID. 18 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.