Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30T10-1 found under Seal Plain by Rexnord Llc Div Falk Gear Group. The National Stock Number assigned to this part is 5330011901827, 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 30T10-1.