Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0851AA3 found under Pitot Static Tube by Rosemount Aerospace Inc. The National Stock Number assigned to this part is 6610002761716, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0851AA3.