Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K651053-11 found under Ring Externally Threaded by Pine Meadow Machine Co Inc. The National Stock Number assigned to this part is 5365012910259, 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 K651053-11.