The Gear,spur, cataloged under National Stock Number 3020-01-028-4620, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-028-4620 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.329 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.172 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.087 INCHES SECOND END IN |
| Teeth Quantity | 58 |
| Body Style | WEBBED, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Pitch Diameter | 9.6667 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 22 BOTH ENDS |
| Nominal Outside Diameter | 9.832 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | IRON CAST OVERALL |
| Spline Pitch Diameter | 2.2000 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 2.219 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 |
|---|---|
| 303068 | 3/9 Design control — primary reference U.S. Government activity |
| 230989 | 5/9 Secondary reference Clark Equipment Co |
| 234868 | 5/9 Secondary reference Clark Equipment Co |
NSN 3020-01-028-4620 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-028-4620: Bore Nominal Diameter: 2.329 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.172 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.087 INCHES SECOND END IN; Teeth Quantity: 58. 17 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.