The Gear,worm Wheel, cataloged under National Stock Number 3020-00-389-7435, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-389-7435 |
| Primary Part Number | G1061ARH |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.625 INCHES BOTH ENDS IN |
| Helix Angle | 4.5665 DEGREES |
| Hub Nominal Diameter | 1.750 INCHES FIRST END IN |
| Teeth Quantity | 30 |
| Body Style | WEBBED, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.625 INCHES FIRST END IN |
| Face Type | CONCAVE |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 3.230 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | IRON CAST OVERALL |
| Mating Thread Lead Quantity | 1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| G1061ARH PRIMARY | Altra Industrial Motion Corp. (USA) |
| NAVYX1809PC40 | Hoffman/new Yorker, Inc. (USA) |
| 078604 | Hoffman/new Yorker, Inc. (USA) |
NSN 3020-00-389-7435 is a Gear,worm Wheel, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-389-7435 has 3 manufacturer part numbers on file: G1061ARH (Altra Industrial Motion Corp.), NAVYX1809PC40 (Hoffman/new Yorker, Inc.), 078604 (Hoffman/new Yorker, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-295-5759. Verify interchangeability with system specifications before substitution.
Key specifications for G1061ARH: Bore Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Helix Angle: 4.5665 DEGREES; Hub Nominal Diameter: 1.750 INCHES FIRST END IN; Teeth Quantity: 30. 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.
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.