The Gear,helical, cataloged under National Stock Number 3020-00-359-3304, 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 Tvh Parts Co.. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-359-3304 |
| Primary Part Number | 3-530K118 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tvh Parts Co. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.127 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.4385 INCHES BOTH ENDS IN |
| Helix Angle | 23.5498 DEGREES |
| Hub Nominal Diameter | 0.875 INCHES FIRST END IN |
| Teeth Quantity | 16 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.375 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 40.0 ROCKWELL C NOMINAL TEETH |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.4540 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 1.6180 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.2822 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 1040 OVERALL |
| Face Nominal Width | 0.500 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 |
|---|---|
| 3-530K118 | Tvh Parts Co. (USA) |
| Reference | Meaning |
|---|---|
| 530K118 | 3/2 Design control — primary reference U.S. Government activity |
| 3-530K118 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
NSN 3020-00-359-3304 is a Gear,helical, manufactured by Tvh Parts Co., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-359-3304 has 1 manufacturer part number on file: 3-530K118 (Tvh Parts Co.).
Key specifications for 3-530K118: Keyway Nominal Width: 0.127 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.4385 INCHES BOTH ENDS IN; Helix Angle: 23.5498 DEGREES; Hub Nominal Diameter: 0.875 INCHES FIRST END IN. 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.