Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SL90001 found under Panel Indicating Light Transmitt by Oppenheimer Precision Products Inc. The National Stock Number assigned to this part is 6220013443501, and the Federal Supply Class is 6220 Electric Vehicular Lights And Fixtures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SL90001.