Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KWB1901-1 found under by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 5830010624115, and the Federal Supply Class is 5830 Intercommunication And Public Address Systems Except Airborne. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KWB1901-1.