Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QROF219 9001-2 found under Panel Electrical El by Thrane And Thrane Inc. The National Stock Number assigned to this part is 5975251501594, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QROF219 9001-2.