Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A52-1143 found under Bushing Nonmetallic by Engineered Electric Company. The National Stock Number assigned to this part is 5365008703099, 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 A52-1143.