Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74-4218-07 found under Inpersol And Dextro by Abbott Laboratories Inc. The National Stock Number assigned to this part is 6505010530466, 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 74-4218-07.