Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PK-1043 found under Knob by Walter Meier Manufacturing Inc. The National Stock Number assigned to this part is 5355011778099, 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 PK-1043.