The Gear,worm, cataloged under National Stock Number 3020-01-019-7623, 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 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-019-7623 |
| Primary Part Number | DH1627 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Thread Form Direction | RIGHT-HAND |
| Bore Nominal Diameter | 0.750 INCHES BOTH ENDS IN |
| Helix Angle | 18.4333 DEGREES |
| Hub Nominal Diameter | 1.187 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.625 INCHES FIRST END IN |
| Face Type | STRAIGHT |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 1.5000 INCHES NOMINAL IN |
| Hub Style Designator | PLAIN FIRST END |
| Thread Form Quantity | 4 |
| Nominal Outside Diameter | 1.612 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 1.750 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 |
|---|---|
| DH1627 | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| DH-1627 | 3/2 Design control — primary reference U.S. Government activity |
| 2050 | D/9 Drawing number reference only U.S. Government activity |
| 2050 PC 14 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-019-7623 is a Gear,worm, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-019-7623 has 1 manufacturer part number on file: DH1627 (Altra Industrial Motion Corp.).
Key specifications for DH1627: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.750 INCHES BOTH ENDS IN; Helix Angle: 18.4333 DEGREES; Hub Nominal Diameter: 1.187 INCHES FIRST END IN. 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.