Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9A43 F1420 found under Spacer Sleeve by Designatronics Inc. The National Stock Number assigned to this part is 5365013085951, 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 9A43 F1420.