The Gear,worm, cataloged under National Stock Number 3020-01-258-5209, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-258-5209 |
| Primary Part Number | HL1418 |
| 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 | 0.625 MILLIMETERS BOTH ENDS MM |
| Helix Angle | 9.0833 DEGREES |
| Bore Style | PLAIN BOTH ENDS |
| Face Type | STRAIGHT |
| Style Designator | HUBLESS |
| Pitch Diameter | 1.2500 INCHES NOMINAL IN |
| Thread Form Quantity | 2 |
| Nominal Outside Diameter | 1.4998 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| HL1418 PRIMARY | Altra Industrial Motion Corp. (USA) |
NSN 3020-01-258-5209 is a Gear,worm, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-258-5209 has 1 manufacturer part number on file: HL1418 (Altra Industrial Motion Corp.).
Key specifications for HL1418: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 0.625 MILLIMETERS BOTH ENDS MM; Helix Angle: 9.0833 DEGREES; Bore Style: PLAIN BOTH ENDS. 12 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.