Goodridge Adaptor -12JIC to M18 x 1.5 with Concave Seat
Goodridge aluminium adaptor JIC to Metric concave. 306-12-M18D. Aluminium adaptor -12JIC male to M18x1.5 male concave seat. Used when assembling oil systems with Goodridge 236 series unions Goodridge 200-12 hose.