The Gear,spur, cataloged under National Stock Number 3020-00-951-4259, 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 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-951-4259 |
| Primary Part Number | 217397 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 7.525 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 8.250 INCHES FIRST END IN |
| Teeth Quantity | 53 |
| Body Style | WEBBED, OFFSET, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB, RECESSED BODY |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 10.6880 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 38 BOTH ENDS |
| Nominal Outside Diameter | 11.047 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620 OVERALL |
| Spline Pitch Diameter | 7.0000 INCHES NOMINAL BOTH ENDS IN |
| Body Recess Nominal Depth | 0.250 INCHES FIRST END IN |
| Face Nominal Width | 1.750 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 |
|---|---|
| 217397 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 217397 | 5/9 Secondary reference Clark Equipment Co |
NSN 3020-00-951-4259 is a Gear,spur, manufactured by Dana Off Highway Products, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-951-4259 has 1 manufacturer part number on file: 217397 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-485-1867. Verify interchangeability with system specifications before substitution.
Key specifications for 217397: Bore Nominal Diameter: 7.525 INCHES BOTH ENDS IN; Hub Nominal Diameter: 8.250 INCHES FIRST END IN; Teeth Quantity: 53; Body Style: WEBBED, OFFSET, SOLID. 18 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.