Jergens®, 26604, Spring Plunger Without Locking Element, Shortie, 5/8 in Body Length, 1/4-20 Thread, 5/8 in Thread Length, 0.119 in Plunger Diameter, 0.5 lb Initial End Force, 6 lb Final End Force, 3/16 in Plunger Projection, Low Carbon Steel Body, Black Oxide