Lufkin
Whitney key for Lufkin RS1818H
This Whitney key is designed for the pump drive assembly of the Lufkin RS1818H marine gearbox. It ensures the secure transmission of torque between the shaft and the rotating component.
Parts diagram
Compatible models
Specifications
- Part number
- N938024
- Brand
- Lufkin
The Whitney key, part number N938024, functions as a mechanical fastener within the pump drive assembly of the Lufkin RS1818H marine gearbox. Its primary purpose is to lock a rotating component, such as a gear or pulley, onto a shaft to facilitate the transfer of torque. The component features a specific trapezoidal design that fits into the corresponding keyways of the shaft and the attached assembly to prevent relative rotation or slippage between the two parts.
This component is specifically compatible with the Lufkin RS1818H model. It is engineered to maintain a precise fit within the drive system to ensure that rotational power is transmitted efficiently throughout the machine. By securing the connection between the shaft and the driven element, the key prevents mechanical play that could otherwise lead to misalignment or failure of the drive train.
In heavy machinery and marine gearboxes, keys are used to provide a positive mechanical connection between shafts and hubs. They are installed in a slot or keyway to transmit torque while allowing for the assembly and disassembly of components during maintenance procedures. Proper installation of a key is necessary to maintain the integrity of the rotating system and ensure that the pump drive operates within its design parameters.

