Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D77-944-33PC39141J found under Spacer Special by Electric Boat Corporation. The National Stock Number assigned to this part is 5365003015463, 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 D77-944-33PC39141J.