The Gear,bevel, cataloged under National Stock Number 3020-01-082-6580, 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 Meritor Heavy Vehicle Systems, Llc. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-082-6580 |
| Primary Part Number | 2234X778 |
| Item Name | Gear,bevel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.650 INCHES BOTH ENDS IN |
| Teeth Quantity | 14 |
| Second Step Nominal Diameter | 2.563 INCHES SECOND END IN |
| Body Style | PLAIN, SOLID |
| Pitch Angle | 25.0000 DEGREES |
| Third Step Nominal Diameter | 3.000 INCHES SECOND END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 3.688 INCHES SECOND END IN |
| First Step Nominal Length | 1.688 INCHES SECOND END IN |
| Teeth Type | STRAIGHT |
| Nominal Overall Length | 4.797 INCHES IN |
| Second Step Nominal Length | 0.938 INCHES SECOND END IN |
| Style Designator | PERIPHERAL FACE, BACK HUB PROTRUDING |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| First Step Nominal Diameter | 2.500 INCHES SECOND END IN |
| Hub Style Designator | 3 STEPS SECOND END |
| Spline Quantity | 32 BOTH ENDS |
| End Nominal Length | 0.969 INCHES SECOND END IN |
| Nominal Outside Diameter | 4.344 INCHES IN |
| End Nominal Diameter | 2.438 INCHES SECOND END IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 1.6000 INCHES NOMINAL BOTH ENDS IN |
| Third Step Nominal Length | 0.094 INCHES SECOND END IN |
| Face Nominal Width | 0.875 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 |
|---|---|
| 2234X778 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2234X778 | 5/9 Secondary reference Meritor Industrial Products, Llc |
NSN 3020-01-082-6580 is a Gear,bevel, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-082-6580 has 1 manufacturer part number on file: 2234X778 (Meritor Heavy Vehicle Systems, Llc).
Key specifications for 2234X778: Bore Nominal Diameter: 1.650 INCHES BOTH ENDS IN; Teeth Quantity: 14; Second Step Nominal Diameter: 2.563 INCHES SECOND END IN; Body Style: PLAIN, SOLID. 25 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.