The Gear,spur, cataloged under National Stock Number 3020-00-859-8043, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-859-8043 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.094 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.218 INCHES FIRST END IN |
| Teeth Quantity | 150 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES FIRST END IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Mounting Hole Nominal Diameter | 0.030 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Overall Length | 0.220 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-A-364 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED FIRST END |
| Nominal Outside Diameter | 1.265 INCHES IN |
| Material | ALUMINUM ALLOY OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.064 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 |
|---|---|
| 3894K74P001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-859-8043 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-859-8043: Bore Nominal Diameter: 0.094 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.218 INCHES FIRST END IN; Teeth Quantity: 150; Body Style: PLAIN, SOLID. 19 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.