In Reply to: 8N Breather Door Clip posted by Dean on February 17, 2018 at 09:13:10:
The 1/4-28 cage nut (square) is 34143-S. If you can find a cage clip for a square nut, this should do it. Carpenter and Just 8N's sell them. Not sure if there is an "out-of-stock" situation going on now.