Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CR 12X16X3 HM4 R found under Seal Plain by Skf Bearing Industries Co. The National Stock Number assigned to this part is 5330016178665, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CR 12X16X3 HM4 R.