Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number OL20415 found under Extractor Lamp by O And L Resourcesinc. The National Stock Number assigned to this part is 5120015298074, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like OL20415.