Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)

 (All dimensions in mm. Threads in inches. 1 inch = 25.4 mm)

M8 Penetrator

• Thread: M8 × 1.0
• Overall Length: 14 mm (cable side) + 15 mm (thread side)
• Threaded Section: 11 mm
• O-Ring: 2-014
• Mounting Hole: Ø15 mm
• Hex / Flange Diameter: Ø23.5 mm

7/16 Penetrator

• Thread: 7/16″-20 UNF-2A
• Overall Length: 19.05 mm (cable side) + 19 mm (thread side)
• Threaded Section: 19 mm
• O-Ring: 2-014
• Mounting Hole Diameter: Ø23.5 mm
• Panel Side Protrusion: 17.3 mm
• Hex Size: Standard 7/16″ tools

HYSF Subsea Penetrators are high-reliability waterproof feedthrough connectors designed for permanent bulkhead cable penetration in harsh underwater environments. Ideal for underwater cameras, sensors, ROV thrusters, lights, sonar equipment, and subsea instruments. Available in both metric M8 and imperial 7/16″ thread versions for easy integration into existing systems.

Fully customizable – single or double O-ring configuration, extended threads, custom cable lengths, titanium construction, and exact dimensional matching to Subconn penetrators.