Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L28-01-15 found under Microcircuit by Veeco Instruments Inc. The National Stock Number assigned to this part is 5962011702659, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L28-01-15.