The Gear,spur, cataloged under National Stock Number 3020-01-274-4866, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-274-4866 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.40 MILLIMETERS BOTH ENDS MM |
| Teeth Quantity | 120 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 9.52 MILLIMETERS COUNTERBORE FIRST END MM |
| Bore Style | W/COUNTERBORE BOTH ENDS |
| Style Designator | HUBLESS |
| Pitch Diameter | 60.0 MILLIMETERS NOMINAL MM |
| Nominal Outside Diameter | 61.0 MILLIMETERS MM |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY OVERALL |
| Counterbore Nominal Depth | 0.6 MILLIMETERS COUNTERBORE FIRST END MM |
| Face Nominal Width | 1.5 MILLIMETERS MM |
| 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 |
|---|---|
| A3027034 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-274-4866 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-274-4866: Bore Nominal Diameter: 0.40 MILLIMETERS BOTH ENDS MM; Teeth Quantity: 120; Body Style: PLAIN, SOLID; Counterbore Nominal Diameter: 9.52 MILLIMETERS COUNTERBORE FIRST END MM. 12 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.