When you pick up the part for the water line, just tell them what your doing and they should be able to fix you up with every thing you need. Most Ace Hardware stores have very knowledgeable employees.
Tried ordering from ACE online to pickup at local store.
Said six in stock.
Got email hour later saying none in stock.
So cancelled order, and ordered everything from Amazon.
HD and Lowes don't carry the fitting.
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you certainly do not want any plumbing advice from me as my wife forbids me to do any. Why you might ask? It is because I twisted a faucet completely from the pipe. Need I say more'
Hahahahahaha That's me when it comes to any kind of brick or masonry work.