Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RP 22D 11 4 S S 4 B 4 H A3 4 found under Resistor Thermal by Rdf Corporation. The National Stock Number assigned to this part is 5905013438870, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RP 22D 11 4 S S 4 B 4 H A3 4.