Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FL6517 found under Resistor Variable W by Crouse Hinds Electro. The National Stock Number assigned to this part is 5905006159064, 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 FL6517.