Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GS 811 05 found under Housing Disc Hub by N T N Bearing Corp Of America. The National Stock Number assigned to this part is 2520011549968, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GS 811 05.