This fitting seals with a crush washer, not included. This is an adapter fitting that goes from AN #6 male 9/16"-18 thread 37 degree JIC style flare to m12 - 1.5 metric thread. Metric fittings are measured outside diameter and threads per millimetre.

This fitting seals with a crush washer, not included. This is an adapter fitting that goes from AN #6 male 9/16"-18 thread 37 degree JIC style flare to m12 - 1.5 metric thread. Metric fittings are measured outside diameter and threads per millimetre.