Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HR50246 found under Liner Bearing by Ecolaire Heat Transfer Co. The National Stock Number assigned to this part is 2820003859733, and the Federal Supply Class is 2820 Steam Engines Reciprocating And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HR50246.