Digital pressure sensors made by Turck. These are used surplus items, but still guaranteed to work.
Items are used, and may have a few marks on the housing similar to the pictured item. No major cosmetic issues.
PN:
PS010V-303-2UPN8X-H1141
6833418
Turck Pressure Sensor, Rotatable Housing, 2
switching outputs, range (-14.5 to 145 psi)