GN 617.1 indexing plungers with rest position are used for such applications where the plunger has to stay in its retracted position. To achieve this, the knob is rotated by 90° degrees after being retracted. A notch keeps the plunger in this position.

Features:
-AISI 303 stainless steel
-Chemically nickel plated plunger pin
-Plastic (Polyamide PA) black matt, non removable knob