The Gear,worm Wheel, cataloged under National Stock Number 3020-00-030-5949, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-030-5949 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Keyway Nominal Width | 0.313 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.125 INCHES SECOND END IN |
| Teeth Quantity | 36 |
| Second Step Nominal Diameter | 2.938 INCHES FIRST END IN |
| Body Style | WEBBED, OFFSET, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.875 INCHES FIRST END IN |
| First Step Nominal Length | 0.313 INCHES FIRST END IN |
| Second Step Nominal Length | 0.125 INCHES FIRST END IN |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| First Step Nominal Diameter | 2.531 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Hub Style Designator | PLAIN SECOND END |
| End Nominal Length | 0.438 INCHES FIRST END IN |
| Nominal Outside Diameter | 4.625 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.875 INCHES BOTH ENDS IN |
| End Nominal Diameter | 2.125 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Face Nominal Width | 0.875 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 |
|---|---|
| 602037-10 | 3/9 Design control — primary reference Reliance Electric Industrial Co Master Div |
NSN 3020-00-030-5949 is a Gear,worm Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-030-5949: Keyway Nominal Width: 0.313 INCHES BOTH ENDS IN; Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN; Hub Nominal Diameter: 2.125 INCHES SECOND END IN; Teeth Quantity: 36. 21 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.