This Peterson spline drive spacer is a female splined mandrel spacer specified at 2.020" length with a 2.00" nominal diameter. It’s intended to fit splined mandrel setups where a roughly two-inch female spacer is required, providing accurate axial spacing and internal spline engagement to maintain alignment of pulleys and drive components in spline-driven assemblies.
Peterson Fluid Systems Spacer Female Splined 2.020