Attwood Marine 64839 Lock'N-Pin 3/4" Pin Base Plate Stainless Steel Non-Threaded 4" x 8"

The Attwood Marine 64839 Lock'N-Pin Base Plate is a heavy-duty, rectangular 4" x 8" stainless steel deck mount designed for use with 3/4" non-threaded boat seat pedestals. Part of Attwood's industry-leading Lock'N-Pin system, this base plate delivers a secure, reliable foundation for boat seating on pontoons, fishing boats, bass boats, and cruisers.

The stainless steel top plate features a reinforcing steel lip tube for added rigidity and long-term durability, while the integrated nylon (acetal) bushing ensures smooth engagement with the pedestal pin and a snug, rattle-free fit. A clear-coat protective finish adds corrosion resistance suited for demanding marine environments.

Key Features:

• 4" x 8" rectangular stainless steel base plate
• Designed for non-threaded 3/4" pin pedestals
• Reinforcing steel lip tube for enhanced strength
• Nylon (acetal) bushing for secure pedestal pin engagement
• Clear-coat finish for corrosion resistance
• Six-bolt/screw mounting pattern for solid deck attachment (hardware not included)
• 1.5" mounting hole required
• Exceeds ABYC Standard H31.6.1 for marine seating safety

The patented Lock'N-Pin system allows drop-in components to slide together and lock securely, preventing unintentional detachment. Compatible with Attwood Lock'N-Pin and most standard 3/4" pin post pedestals. Also sold under part number SP-64839.