The Gear,spur, cataloged under National Stock Number 3020-00-528-6842, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-6842 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.6875 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.250 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.032 INCHES BOTH ENDS IN |
| Teeth Quantity | 224 |
| Body Style | WEBBED, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | RECESSED HUBS |
| Pitch Diameter | 3.4990 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.530 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.312 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 |
|---|---|
| 132395B | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 132395B | 3/9 Design control — primary reference Gyro Systems Co Inc |
NSN 3020-00-528-6842 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-528-6842: Bore Nominal Diameter: 0.6875 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.250 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Recessed Hub End: 0.032 INCHES BOTH ENDS IN; Teeth Quantity: 224. 15 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.