The Gear,helical, cataloged under National Stock Number 3020-00-331-7684, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-331-7684 |
| Primary Part Number | 43240 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Teeth Quantity | 24 |
| Nominal Outside Diameter | 2.863 INCHES IN |
| Teeth Type | SINGLE HELIX |
| Hub Style Designator | PLAIN FIRST END |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Nominal Diameter | 1.180 INCHES FIRST END IN |
| Material | STEEL COMP 4140H OVERALL |
| Nominal Distance Between Body Face and Protruding Hub End | 0.055 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Pitch Diameter | 2.6666 INCHES NOMINAL IN |
| Face Nominal Width | 0.635 INCHES IN |
| Helix Angle | 25.8487 DEGREES |
| Pressure Angle | 20.0000 DEGREES |
| Style Designator | PROTRUDING HUB |
| Bore Nominal Diameter | 0.6137 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Tooth Direction | LEFT |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 43240 PRIMARY | Cummins Inc. (USA) |
NSN 3020-00-331-7684 is a Gear,helical, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-331-7684 has 1 cross-referenced part number: 43240 (Cummins Inc.).
There are 5 known substitutes for 3020-00-331-7684: 4935-01-031-2929, 4310-01-273-0420, 6525-01-385-1210 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43240: Teeth Quantity: 24; Nominal Outside Diameter: 2.863 INCHES IN; Teeth Type: SINGLE HELIX; Hub Style Designator: PLAIN FIRST END. 18 total characteristics are documented in the Federal Logistics Information System.