Illuminated pushbutton, 16 mm, round plastic, blue

Illuminated pushbutton, 16 mm, round, plastic, blue, pushbutton, flat, 1 NO, Lampholder W2 x 4.6 d, olors, illuminated/non-illuminated, with/without inscription, latching/momentary contact operation, and various button heights.
Note: Complete unit, supplied with holder and contact block(s).
3SB2 - Space-saving, proven in practice and industry standard!