Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 920-180 PIECE 8 found under Shim Set by Norriseal. The National Stock Number assigned to this part is 5365013106182, 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 920-180 PIECE 8.