This BOURNS part 51AAD-B28-A15L is a resilient cermet potentiometer with a resistance of 10K Ohms and a tolerance of 10%. It is designed for a power rating of 1W and features a 1-electrical/1-mechanical turn rotation. The potentiometer has a compact size of 6.35mm, with dimensions measuring 31.12 x 12.5 x 13.25mm. It can be easily mounted on a panel or through a hole, making it suitable for various electronic applications.