The Drive Coupling Adapter Jaw connects two rotating components and allows torque to pass smoothly between them during operation. It acts as an interface that aligns mating parts and enables controlled power transmission without rigid locking. The adapter jaw allows slight movement between connected elements to accommodate minor misalignment during rotation. It assists in managing rotational motion while reducing transfer shock between connected assemblies.Attributes:• Prevents abrupt torque spikes during engagement.• Improves operational stability during rotational testing.• Manages minor shaft misalignment during rotation. Applications: The Drive Coupling Adapter Jaw is used while installing the coupling group onto a fuel injection equipment test stand, allowing controlled torque transfer and stable rotational connection during operation.