Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 011-2426 ADAPTER found under Spacer Ring by Freeman Marine Equipment Inc. The National Stock Number assigned to this part is 5365015493486, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 011-2426 ADAPTER.