... NO, 4-two NC, 5- NO+NC3. Only land contact-replacement: Example:SB2-BE10_, _ enter figure:1-NO, 2-NC2 ... :36*29*24.5mm 5.Other modles for reference:flush head,mashroom head,spring return,turn release,turn to stay up, ... dobble ... key,with light,self-lock,self reset,convex,waterproof... flush head spring return pushbutton switch,XB2-BA31