The Gear,spur, cataloged under National Stock Number 3020-00-618-4255, 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 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.). Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-618-4255 |
| Primary Part Number | 19W0661 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) |
| Status | ACTIVE |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 2.061 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 3.312 INCHES FIRST END IN |
| Teeth Quantity | 22 |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 2.625 INCHES SECOND END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Mounting Hole Type and Quantity | 1 COUNTERBORED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.015 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.608 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 2.625 INCHES AXIALLY THROUGH HUB FIRST END IN |
| Hardness Rating | 59.0 ROCKWELL C MINIMUM AND 67.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Overall Length | 1.982 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.6660 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Features Provided | ALIGNMENT HOLE |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.859 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 1.250 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 0.128 INCHES SECOND END IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.375 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 |
|---|---|
| 19W0661 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 6184255 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 35-466-3 | Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA) |
| Reference | Meaning |
|---|---|
| 382390 | 3/9 Design control — primary reference White Motor Corp |
| 35-466-3 | 5/9 Secondary reference Diamond Reo Truck Co |
NSN 3020-00-618-4255 is a Gear,spur, manufactured by Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.), classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-618-4255 has 3 manufacturer part numbers on file: 19W0661 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 6184255 (U S Army Tank Automotive Command Amsta-Im-Mm), 35-466-3 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products).
Key specifications for 19W0661: Keyway Nominal Width: 0.375 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.061 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.312 INCHES FIRST END IN; Teeth Quantity: 22. 26 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.