Spring Plunger - Type KU Plastic.
Material: NI Stainless steel. German material No.1.4305/1.3541.
Housing Sheet metal. Ball Hardened. KU Plastic. Technopolymer (Polyacetal POM). Temp resistant from -30° up to +50°C.
Ball Stainless steel. German material No.1.3541 - hardened.