The Gear,helical, cataloged under National Stock Number 3020-01-295-5962, 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 Perkins Engines Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-295-5962 |
| Primary Part Number | 41115139 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 16.5 MILLIMETERS COUNTERBORE FIRST END MM |
| Hub Nominal Diameter | 57.0 MILLIMETERS BOTH ENDS MM |
| Nominal Distance Between Body Face and Recessed Hub End | 3.0 MILLIMETERS SECOND END MM |
| Body Style | WEBBED, SOLID |
| Counterbore Nominal Diameter | 44.4 MILLIMETERS COUNTERBORE FIRST END MM |
| Bore Style | W/COUNTERBORE COUNTERBORE FIRST END |
| Style Designator | ONE FLUSH HUB, ONE RECESSED HUB |
| Hub Style Designator | PLAIN BOTH ENDS |
| Surface Treatment | CARBON OVERALL |
| Material | STEEL OVERALL |
| Counterbore Nominal Depth | 11.2 MILLIMETERS COUNTERBORE FIRST END MM |
| Face Nominal Width | 24.0 MILLIMETERS MM |
| 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 |
|---|---|
| 41115139 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 3117L002 | 5/9 Secondary reference Perkins Engines Inc |
NSN 3020-01-295-5962 is a Gear,helical, manufactured by Perkins Engines Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-295-5962 has 1 manufacturer part number on file: 41115139 (Perkins Engines Inc).
Key specifications for 41115139: Bore Nominal Diameter: 16.5 MILLIMETERS COUNTERBORE FIRST END MM; Hub Nominal Diameter: 57.0 MILLIMETERS BOTH ENDS MM; Nominal Distance Between Body Face and Recessed Hub End: 3.0 MILLIMETERS SECOND END MM; Body Style: WEBBED, SOLID. 12 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.