Product Description Detailed Specs Downloads Reviews/Questions Product Description (Z1) SLOTTED OPTICAL SENSOR 130MM PX4 Detailed Specs null null null null null null null null null null MFG Part Number 1-974005-013 Product Type Accessory Product Family PX4 Downloads Warranties Warranties Reviews/Questions The Honeywell 1-974005-013 is also known as HON -1974005013 or 1974005013