AN-4 ( 4AN AN04 ) M12x1.0 Metric Inverted Concave Stainless Steel Adapter

AN4 = 4AN = JIC-4. Inverted / Concave Seat. Fitting,Adapter, -4 AN to M12 x 1.0, Stainless Steel, Machined, Each. Automotive / Aerospace-quality Straight Adapter. Each component is precision-machined to exact tolerances for trouble-free performance.