Boat part number 1106692 is a new locking fuel cap from Kelch, part number A002072 .

This fuel cap features a wide diameter for easy reservoir filling, and comes with a tamper resistant locking feature and key set. Includes tether.

Manufacturer features:

All-plastic, ergonomic design
Tamper resistant locking feature
Includes key set
Large diameter fill hole
Common thread size
Variety of graphics available
For use on plastic reservoirs
This fuel cap is constructed out of black thermoplastic and measures approximately 4 1/2" Dia. overall. Attaches with a 3 1/2" Dia. thread with 5 threads/inch, per manufacturer.

Specifications:
Part Manufacturer: Kelch
Part Number: A002072
Material: Plastic
Color: Black
Finish: Matte
Overall Dimensions: 4 1/2" Dia.
Mounts: 3 1/2" Dia. 5 thread/inch threaded sleeve
Sold as seen in pictures. Customers please note every computer shows colors differently. All measurements are approximate.

Hardware and instruction / installation manual not included.