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)

Key Variants

• 66A1-3204: Compact male, Length 68.4 mm
• 6607-3204-0001: Bulkhead receptacle, 1-1/2″ × 12UNF-2A thread, O-Ring 2-130, Length 58.3 mm
• 6601-3204-0002: Inline cable version, Length 140.4 mm, Ø57 mm
• 6601-3204-0000: Inline cable version, shorter body
• 6606-3204-0001: Panel mount receptacle, 2-9 Stub Acme thread, O-Ring 2-133, Length 66.8 mm
• 6607-3200: Compact bulkhead receptacle, Length 58.3 mm
• 66R1-3204-0002: Right-angle version, Length 120 mm

BCR Face View 4-pin configuration.

HYSF Metal Shell 66 Series (4 Contacts) connectors feature a rugged stainless steel shell designed for reliable performance in extreme subsea conditions. Ideal for ROVs, AUVs, underwater cameras, sensors, lights, thrusters, and offshore equipment requiring a robust 4-pin connection. The heavy-duty metal construction provides excellent mechanical protection, EMI shielding, and long-term reliability at full ocean depth.

Fully customizable – stainless steel or titanium construction, single or double O-ring, right-angle or flange mount options, extended threads, custom cable lengths, and exact dimensional matching to Burton specifications.