47109 Nylon Antenna Mount | Marine Antenna Components

🔧 Product Description

Sam Allen Nylon Ratchet Rail-Mount Antenna Base - Part Number: 47109

A multi-adjustable nylon ratchet antenna mount designed to clamp to a tubular rail. It allows a compatible antenna to be positioned upright for operation and folded or adjusted without drilling a large deck footprint.

⚙️ Key Features

• Nylon ratchet-style adjustable mount
• Clamps to horizontal or vertical tubular rails
• Suitable for common 20-25mm rail sizes
• Corrosion-free main body
• Standard marine antenna mounting interface

📏 Specifications

• Rail diameter range: Approximately 20-25mm / 7/8-1 inch
• Antenna thread: Industry-standard male 1" × 14 TPI
• Material: Marine-grade nylon with stainless fastening hardware
• Mounting style: Adjustable rail clamp
• UPC: 9330420189070

🔄 Related & Comparable Options

• RWB rail-mount alternative: RWB1296
• Glomex reinforced nylon rail-mount family: RA134/RA145, subject to thread and rail orientation
• Stainless tube-end alternative for 25mm rail: 47085

📡 Compatibility & Application

• Suitable for compatible VHF, AIS, 27MHz, AM/FM and other marine antennas
• Useful on pushpits, handrails and fabricated antenna rails
• Confirm the selected rail position can carry antenna wind and vibration loads

🛠️ Installation Guidance

• Clamp evenly around a clean undamaged rail
• Use supplied inserts or spacers where required for smaller rail sizes
• Orient the ratchet so the antenna can fold without damaging the cable
• Tighten hardware evenly without crushing thin-wall tubing
• Recheck clamp and ratchet tightness after the first trips

📦 Condition

• Brand new
• Supplied as one nylon ratchet rail-mount antenna base
• Supplied in original or equivalent packaging