Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 889423-1 found under Adapter by Air Cruisers Company Llc. The National Stock Number assigned to this part is 5410001022551, and the Federal Supply Class is 5410 Prefabricated And Portable Buildings. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 889423-1.