Type: AN to Inverted Flare adapter. AN6 Male to 7/16" x 24. AN6 Male to 1/2" x 20. AN8 Male to 1/2" x 20. AN6 Male to 5/8" x 18. AN8 Male to 5/8" x 18. AN6 Male to 11/16" x 18. Each component is precision-machined to exact tolerances for trouble-free performance.