The Gear,helical, cataloged under National Stock Number 3020-01-102-3829, 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 New Holland N.v.nc.. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-102-3829 |
| Primary Part Number | C5NE-6A253-A |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | New Holland N.v.nc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 2.0001 INCHES BOTH ENDS IN |
| Helix Angle | 45.0000 DEGREES |
| Hub Nominal Diameter | 2.620 INCHES FIRST END IN |
| Hub Nominal Diameter | 2.660 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Recessed Hub End | 0.460 INCHES SECOND END IN |
| Teeth Quantity | 47 |
| Body Style | WEBBED, OFFSET, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.460 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 5.5150 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 5.5200 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4140 OVERALL |
| Face Nominal Width | 1.120 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 |
|---|---|
| C5NE-6A253-A PRIMARY | New Holland N.v.nc. (USA) |
| Reference | Meaning |
|---|---|
| C5NE-6A253-A | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
NSN 3020-01-102-3829 is a Gear,helical, manufactured by New Holland N.v.nc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-102-3829 has 1 manufacturer part number on file: C5NE-6A253-A (New Holland N.v.nc.).
Key specifications for C5NE-6A253-A: Bore Nominal Diameter: 2.0001 INCHES BOTH ENDS IN; Helix Angle: 45.0000 DEGREES; Hub Nominal Diameter: 2.620 INCHES FIRST END IN; Hub Nominal Diameter: 2.660 INCHES SECOND END IN. 21 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.