Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D86-942-57G2REVAPC39141F found under Spacer Special by Electric Boat Corporation. The National Stock Number assigned to this part is 5365003015462, 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 D86-942-57G2REVAPC39141F.