This steel brake adapter has a male 7/16-20 inverted flare (concave) fitting on one end and a 4AN male (7/16-20, 37° convex) on the other. The overall length is 1.33". Sold individually.
If you need just one more thread to reach the bottom of a female port without using a crush washer, our OBP 4AN to 7/16-20 Inverted Flare Brake Adapter (Part No. OBP-BRK4) is 0.05" longer than this fitting.