The Gear,spur, cataloged under National Stock Number 3020-00-485-6364, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-485-6364 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.250 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.437 INCHES SECOND END IN |
| Hub Nominal Diameter | 1.450 INCHES FIRST END IN |
| Teeth Quantity | 84 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 1.218 INCHES FIRST END IN |
| Bore Style | W/COUNTERBORE FIRST END |
| Mounting Hole Type and Quantity | 2 COUNTERSUNK AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.221 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.015 INCHES SECOND END IN |
| Precision Classification | QUALITY NUMBER 9 |
| Mounting Hole Nominal Diameter | 0.156 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 1.791 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | ALUMINUM ALLOY 2017 OVERALL |
| Bolt Hole Circle Nominal Diameter | 0.750 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 1.156 INCHES FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.100 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 |
|---|---|
| 530C331 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-485-6364 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-485-6364: Bore Nominal Diameter: 0.250 INCHES FIRST END IN; Hub Nominal Diameter: 0.437 INCHES SECOND END IN; Hub Nominal Diameter: 1.450 INCHES FIRST END IN; Teeth Quantity: 84. 24 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.