Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74A450643-1001 found under Ring Tie Down by Weba Inc. The National Stock Number assigned to this part is 5365014653851, 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 74A450643-1001.