The Gear,worm Wheel, cataloged under National Stock Number 3020-00-005-7461, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-005-7461 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.688 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.875 INCHES BOTH ENDS IN |
| Teeth Quantity | 43 |
| Body Style | WEBBED, SOLID |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES BOTH ENDS IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 9.3750 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 9.625 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.031 INCHES BOTH ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 2.000 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 |
|---|---|
| DG1243G11 | 5/9 Secondary reference Siemens Energy, Inc. |
| DG1243G11 | 3/9 Design control — primary reference Imo Industries Inc Delroyd Worm Gear Div |
NSN 3020-00-005-7461 is a Gear,worm Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-005-7461: Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.688 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.875 INCHES BOTH ENDS IN; Teeth Quantity: 43. 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.