Neumann EA 87 shock mount for U87. Swivel question...

Does anyone have an EA87 shock mount that could show/tell me how to reassemble the locking hand nut swivel? I bought one through Reverb and the swivel assembly wasn't tightening down properly. I suspect the guy didn't put it together correctly or maybe it's missing an additional white bushing. Attached is the assembly that seems to be working but I don't know if it's correct. I have 5 parts: the swivel mount, a single white bushing, a slotted chrome spacer, and the nickel sleeve that fits over the hand knob.


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