The Gear,worm Wheel, cataloged under National Stock Number 3020-00-384-2403, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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 | 3020-00-384-2403 |
| Primary Part Number | 243833PC2 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.250 INCHES COUNTERBORE FIRST END IN |
| Helix Angle | 45.0000 DEGREES |
| Teeth Quantity | 50 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 3.376 INCHES COUNTERBORE FIRST END IN |
| Bore Style | W/COUNTERBORE COUNTERBORE FIRST END |
| Face Type | CONCAVE |
| Style Designator | HUBLESS |
| Pitch Diameter | 3.9810 INCHES NOMINAL IN |
| Nominal Outside Diameter | 4.128 INCHES IN |
| Pressure Angle | 45.0000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Counterbore Nominal Depth | 0.505 INCHES COUNTERBORE FIRST END IN |
| Mating Thread Lead Quantity | 2 |
| Face Nominal Width | 0.745 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 |
|---|---|
| 243833PC2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-384-2403 is a Gear,worm Wheel, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-384-2403 has 1 manufacturer part number on file: 243833PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 243833PC2: Bore Nominal Diameter: 2.250 INCHES COUNTERBORE FIRST END IN; Helix Angle: 45.0000 DEGREES; Teeth Quantity: 50; Body Style: PLAIN, SOLID. 15 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.