Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H19-22-21701B found under Resistor Fixed Wire by Tanger Electronics A Div Of Verit. The National Stock Number assigned to this part is 5905011798486, 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 H19-22-21701B.