The Gear,spur, cataloged under National Stock Number 3020-01-267-3308, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-01-267-3308 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.730 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.900 INCHES BOTH ENDS IN |
| Teeth Quantity | 41 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.460 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.930 INCHES SECOND END IN |
| Hardness Rating | 53.0 ROCKWELL H MAXIMUM OVERALL |
| Style Designator | CONE SHAPE BODY, PROTRUDING HUBS |
| Pitch Diameter | 4.1000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 4.297 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4320 OVERALL |
| Attachment Method | PRESS FIT |
| Face Nominal Width | 0.330 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 214-040-043-1 | 3/2 Design control — primary reference U.S. Government activity |
| 214-040-043-101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3020-01-267-3308 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-267-3308: Bore Nominal Diameter: 0.730 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.900 INCHES BOTH ENDS IN; Teeth Quantity: 41; Body Style: PLAIN, SOLID. 17 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.
NSN 3020-01-267-3308 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.