>What is used to tap threads for AN fittings? Are there special AN taps, if so where do I get them?
The threads for AN fittings are all SAE Fine standard, at least thru -8; all are available at Sears, either individually or as part of sets. 1/8 & 1/4 NPT taps are also available. For Reference: -2 5/16-24 -3 3/8-24 -4 7/16-20 -5 1/2-20 -6 9/16-18 -8 3/4-16 Allen G. Wiesner KR-2SS/TD S/N 1118 65 Franklin Street Ansonia, CT 06401-1240 (203) 732-0508 flash...@usadatanet.net