The Gear,spur, cataloged under National Stock Number 3020-00-684-3393, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-684-3393 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Teeth Quantity | 64 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.188 INCHES FIRST END IN |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Mounting Hole Type and Quantity | 4 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.125 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | HUBLESS |
| Pitch Diameter | 2.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.062 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.065 INCHES FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.188 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 |
|---|---|
| 2450 | 3/9 Design control — primary reference Del Mar Avionics, Llc |
NSN 3020-00-684-3393 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-684-3393: Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Teeth Quantity: 64; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 1.188 INCHES FIRST END IN. 16 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.