This fitting seals with a crush washer, not included. This is an adapter fitting that goes from AN #4 male 7/16"-20 thread 37 degree JIC style flare to m10 - 1.0 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 #4 male 7/16"-20 thread 37 degree JIC style flare to m10 - 1.0 metric thread. Metric fittings are measured outside diameter and threads per millimetre.