The Gear,spur, cataloged under National Stock Number 3020-00-854-0486, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-854-0486 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.219 INCHES BOTH ENDS IN |
| Teeth Quantity | 90 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN AXIALLY THROUGH BODY FIRST END |
| Mounting Hole Nominal Diameter | 0.073 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.7500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 0.767 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 416 OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.344 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.078 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 |
|---|---|
| 40163-202-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-854-0486 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-854-0486: Bore Nominal Diameter: 0.219 INCHES BOTH ENDS IN; Teeth Quantity: 90; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 18 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.