SPST means single pole single throw micro switch, the Zing Ear G303A-180I00A23C is a normally open SPST switch with IP67 waterproof rate.
IP67 Waterproof Dust Proof Micro Switch China Manufacturer
IP67 Waterproof Dust Proof Micro Switch China Manufacturer
Waterproof Microswitch Mini Snap Action Switch SPST NO- TONELUCK
ABV163061 PANASONIC - Microswitch SNAP ACTION, 3A/250VAC; without lever; SPST-NO; IP67; ABV163061J
SPST Micro Switch Small Size with Lever and IP67 Waterproof Certificate
Illuminated Marine Waterproof Rocker Switch, (On) Off (On), IP67 Blue - 12V and 24V
SPST NC IP67 Waterproof Micro Switch Mini - ZING EAR
Microswitch Small 1a Gold C/o Lever Miniature Micro Switch Mml1 X 1pc Ono for sale online
Sub-Miniature IP67 Rated Waterproof Micro Switches, Industrial Pushbutton Switches Electronics Manufacturer
IP67 Waterproof Subminiature Micro Switches China Manufacturer
Buy Wholesale China Micro Switch Waterproof Ip67 Miniature Snap Action With Lever Micro Switches Ul Vde Tuv & Micro Switch at USD 0.12
10A 250VAC SPST Sub Miniature Lever Microswitch Silver Contacts DB2 Multi Qty £2.99 - PicClick UK
QCDENG 3pcs Waterproof Micro Switch, IP67 Limit Switch with Straight Handle 5A 125/250V: : Industrial & Scientific