The Gear,helical, cataloged under National Stock Number 3020-01-089-6318, 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 Dynalec Corporation. Government technical data includes 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-089-6318 |
| Primary Part Number | K1466 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Helix Angle | 45.0000 DEGREES |
| Teeth Quantity | 15 |
| Second Step Nominal Diameter | 0.375 INCHES FIRST END IN |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 1.000 INCHES FIRST END IN |
| First Step Nominal Length | 0.250 INCHES SECOND END IN |
| First Step Nominal Length | 0.525 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Second Step Nominal Length | 0.225 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.250 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Hub Style Designator | 1 STEP SECOND END |
| End Nominal Length | 0.250 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 0.6770 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.195 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Nominal Width | 1.609 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 |
|---|---|
| K1466 PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| PR3408-1PC28 | 5/9 Secondary reference The Electric Tachometer Corp. |
| K1466 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 3020-01-089-6318 is a Gear,helical, manufactured by Dynalec Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-089-6318 has 1 manufacturer part number on file: K1466 (Dynalec Corporation).
Key specifications for K1466: Helix Angle: 45.0000 DEGREES; Teeth Quantity: 15; Second Step Nominal Diameter: 0.375 INCHES FIRST END IN; Body Style: PLAIN, SOLID. 24 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.