Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 21508.02.12.05.02 found under Transducer Motional Pickup by Bently Pressurized Bearing Company. The National Stock Number assigned to this part is 6695013324703, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 21508.02.12.05.02.