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)

Inline Versions

• RMK1FS (Female): Ø19 mm / Ø26 mm, compact inline design
• RMK1MP (Male Plug): Ø19 mm, Length 15.9 mm
• RMK1FSD (Female Double Seal): Ø26 mm
• RMK1MPD (Male Double Seal): Ø19 mm / Ø26 mm

Bulkhead Version

• XSK-1-BCL: 1″-14 UNF thread, O-ring 2-213, Hex size 41.3 mm, Overall length 31.9 mm

Accessories

• K-FLS-D (Female Locking Sleeve): Ø37 mm × 47 mm
• K-MLS-D (Male Locking Sleeve): Ø17.5 mm

HYSF RM Series 1 Contact connectors are engineered for simple, high-reliability single-pin power connections in the most space-constrained underwater applications. Perfect for ROVs, AUVs, underwater lights, sensors, thrusters, and subsea instrumentation requiring a single high-current line. The low-profile design with heavy-duty 1″ UNF bulkhead mounting delivers leak-proof performance at full ocean depth.

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