Acme 0702-4 Red SPST Momentary White Shaft Push Button Switch

Radio Shack 275-1547X SPST Normally Open Momentary Push Button Switch

Lionel 21353-303 Red SPST Momentary Push Button Switch

Radio Shack 275-1548 SPST Red/Black Momentary Push Button Switch (Pack of 4) x5

Acme 0630-827 Red SPST Momentary Push Button Switch

Acme 0702-959 Red/Green 6 Amp 125 Volt Momentary Push Button Switch (Bag of 3)

Acme 1218-1139 HO Gauge Momentary Pushbutton Control Switch