The MB7950 Mounting Hardware is selected for use with our outdoor ultrasonic sensors. The MB7950 Mounting Hardware gives customers easy access to the hardware needed for through-hole mounting. The mounting hardware includes a steel lock nut and two O-ring (Buna-N and Neoprene) each optimized for different applications. Note: Hardware has 3/4” NPS threading compatible to sensors with 3/4” housing style, and it comes with vibration damping ‘O’ ring. Compatibility: This accessory is compatible with the following sensor lines that MaxBotix Inc., sells. 4-20HR‑MaxSonar‑WR 4-20SC‑MaxSonar‑WR HRXL‑MaxSonar‑WR HRXL‑MaxSonar‑WRS SCXL‑MaxSonar‑WR SCXL‑MaxSonar‑WRS I2CXL‑MaxSonar‑WR XL‑MaxSonar‑WR XL‑TrashSonar‑WR Package Includes: 1 x MB7950 Mounting Hardware for Maxbotix Sonar Sensor. SKU: PGI-007486 Category: Maxbotix Ultrasonic Sonar