Screw plug filler cap pump cover for 12 mm thread

Brass screw cap (filler plug of the pump chamber) of the Kenle, Sprut JSP 255, 355 series of pumps (entire series) (1/4") (brass) + sealing ring (A05/015), Kristall, Forwater K16008262, Euroaqua, Womar JET 150, Pedrollo JSWm 15MX
Filler plug JS80/110 (brass) (1/4) (A05/015)
Thread 12 mm and for a 17, 19 spanner