The Gear,helical, cataloged under National Stock Number 3020-01-103-3403, 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 Dana Off Highway Products, Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-103-3403 |
| Primary Part Number | 234954 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.600 INCHES BOTH ENDS IN |
| Helix Angle | 20.0000 DEGREES |
| Hub Nominal Diameter | 3.120 INCHES SECOND END IN |
| Teeth Quantity | 28 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.132 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.7246 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Spline Quantity | 50 BOTH ENDS |
| Nominal Outside Diameter | 3.984 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 2.5000 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 1.000 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 |
NSN 3020-01-103-3403 is a Gear,helical, manufactured by Dana Off Highway Products, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-103-3403 has 2 manufacturer part numbers on file: E114338 (Cnh Industrial America Llc Dba Cnh America), 234954 (Dana Off Highway Products, Llc).
Key specifications for 234954: Bore Nominal Diameter: 2.600 INCHES BOTH ENDS IN; Helix Angle: 20.0000 DEGREES; Hub Nominal Diameter: 3.120 INCHES SECOND END IN; Teeth Quantity: 28. 19 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.