Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 298-00-140 PIECE 12 1IN found under Ring by Leslie Controls Inc. The National Stock Number assigned to this part is 5365011490066, 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 298-00-140 PIECE 12 1IN.