The Gear,spur, cataloged under National Stock Number 3020-00-074-7091, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-074-7091 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Teeth Quantity | 73 |
| Body Style | PLAIN, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | HUBLESS |
| Nominal Outside Diameter | 3.500 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.563 INCHES BOTH ENDS IN |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.625 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 |
|---|---|
| 760-41-281-124307 | 5/9 Secondary reference Emerson Electric Co U S Electrical Motors Div |
| 760-41-281 | 3/9 Design control — primary reference Emerson Electric Co U S Electrical Motors Div |
NSN 3020-00-074-7091 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-074-7091: Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Teeth Quantity: 73; Body Style: PLAIN, SOLID; Bore Style: W/ KEYWAY BOTH ENDS. 9 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.