The Gear,spur, cataloged under National Stock Number 3020-01-043-0193, 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 Oshkosh Defense Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-043-0193 |
| Primary Part Number | 6HR685 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.750 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 4.260 INCHES FIRST END IN |
| Teeth Quantity | 36 |
| Body Style | PLAIN, SOLID |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.324 INCHES FIRST END IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 3.0000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 16 BOTH ENDS |
| Nominal Outside Diameter | 3.066 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Spline Pitch Diameter | 1.7500 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 1.091 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 |
|---|---|
| 802CX401 | Oshkosh Defense Llc (USA) |
| 6HR685 PRIMARY | Oshkosh Defense Llc (USA) |
| 2-P-858 PRIMARY | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
| 2-P-458 | Amz Alabama Inc. (USA) |
| 2-P-458 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 6HR685 | 5/9 Secondary reference Oshkosh Corp |
| 802CX401 | 5/9 Secondary reference Oshkosh Corp |
| 2-P-458 | 5/9 Secondary reference Parker Hannifin Corporation Div Chelsea Products Division |
NSN 3020-01-043-0193 is a Gear,spur, manufactured by Oshkosh Defense Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-043-0193 has 5 manufacturer part numbers on file: 802CX401 (Oshkosh Defense Llc), 6HR685 (Oshkosh Defense Llc), 2-P-858 (Parker Hannifin Corporation Div Chelsea Products Division), 2-P-458 (Amz Alabama Inc.), 2-P-458 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 6HR685: Bore Nominal Diameter: 1.750 INCHES BOTH ENDS IN; Hub Nominal Diameter: 4.260 INCHES FIRST END IN; Teeth Quantity: 36; Body Style: PLAIN, SOLID. 16 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.