The Gear,helical, cataloged under National Stock Number 3020-00-443-0746, 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 Cnh Industrial America Llc Dba Cnh America. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-443-0746 |
| Primary Part Number | A37624 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.376 INCHES BOTH ENDS IN |
| Helix Angle | 19.8750 DEGREES |
| Hub Nominal Diameter | 1.810 INCHES FIRST END IN |
| Teeth Quantity | 23 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | RIGHT |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.373 INCHES FIRST END IN |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 81.0 ROCKWELL A MINIMUM AND 84.0 ROCKWELL A MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.4454 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 21 BOTH ENDS |
| Nominal Outside Diameter | 2.672 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 8620H OVERALL |
| Spline Pitch Diameter | 1.3125 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 0.750 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 |
|---|---|
| A37624 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 3020-00-443-0746 is a Gear,helical, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-443-0746 has 1 manufacturer part number on file: A37624 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for A37624: Bore Nominal Diameter: 1.376 INCHES BOTH ENDS IN; Helix Angle: 19.8750 DEGREES; Hub Nominal Diameter: 1.810 INCHES FIRST END IN; Teeth Quantity: 23. 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.