Graueradler
Pattern Altitude
In my simple minded approach to things, I expected AN -4 fittings to fit other AN -4 fittings. I ordered two fittings, an AN825-4D tee and an AN914-4D elbow. The tee is exactly what I expected. It is a tee with flared connections on each end and a male pipe thread connection on the side and is the correct size to match up with the -4 hose connectors that go on either end of it. The pipe thread is 1/8". The elbow, on the other hand, is relatively huge. The pipe thread is 1/2". I needed the the two pieces to fit together which they obviously don't. I called Aircraft Spruce and the elbow that they have in stock that is the size I need is a -1. The dash 4 elbow I received is still in the package and is clearly labeled -4. Am I wrong in expecting -4 fittings to be the same size or is their stocking messed up. They are "graciously" sending me the correct elbow without charge or shipping but the large elbow that I paid for was almost $14. If I want to return the large one, then I get a refund but get to pay shipping both ways and pay for the small elbow. I would end up about $5 to the good but it isn't worth the trouble. Did I blow it or did they?