Boat part number 1109016 is a new Trac-Lock locking slide and swivel seat mount from Springfield Marine, part number 3100521-L1 .

This slide and swivel seat mount is constructed out of high-strength aluminum. Large seat mounting platform travels 5 1/4" forward and backward on self-lubricating pads. Rotates 360°. Adds 1 1/4" to the height of the pedestal.

For use with 2 7/8" pedestals. Measures approximately 13" L x 7 1/2" W x 4" H overall. Has standard 5" x 5" and 5" x 12" mounting patterns.

Specifications:

Part Manufacturer: Springfield Marine
Series: Trac-Lock
Part Number: 3100521-L1
Material: Aluminum
Color: Silver
Post Fitment: 2 7/8"
Overall Dimensions: 13" L x 7 1/2" W x 4" H
Mounting Pattern: 5" x 5" and 5" x 12"
Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate.

Hardware and instruction / installation manual not included.