Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BA90285 found under Spacer Sleeve by American Telephone And Telegraph Co. The National Stock Number assigned to this part is 5365002940597, 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 BA90285.