The E-Switch 1RBLK is a black, round pushbutton cap designed for use with PBH and TL series switches. It features a non-illuminated, snap-fit mounting type.
This is a red, round pushbutton cap from C&K Components, designed for slip-on mounting. It has a diameter of 5.08mm and is compatible with various switch series.
The C&K Components 798D02000 is a black, round, non-illuminated pushbutton cap designed for use with the FP Series switches. It features a slip-on mounting type.