Quick question. What size is the nyloc nut used in the Scubapro R190? I`m pretty sure it`s a standard size, but I don`t want to take it to Menards to check the size and then order it. Thanks in advance guys.
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Ok, everything was correct, but 1 number. I went to the specialty fittings store here in town and they came up with 18-8 Stainless Steel Nylon-Insert Hex Locknut 4-40 Thread Size, 1/4" Width, 9/64" The 5-40 should be a 4-40.