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Parts numbers keep changing these days and manufacture.
Used to be Teleflex, then Seastar and now Domestic.
Here is an example of the Steering cable that has the Quick Disconnect.
https://www.amazon.com/SeaStar-Soluti...&psc=1

Not exactly sure what you have but you can buy the QC adapter at the bottom of the page or buy an entire complete new NFB system.
Again, not sure what shape your system is in.
https://www.amazon.com/Dometic-SeaSta...&psc=1

Just a few examples and options.