Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 029-2551-01 found under Knob by Paterson Limited T A Paterson. The National Stock Number assigned to this part is 5355015940731, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 029-2551-01.