Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EWS 25 28 found under Power Supply by Veeco Instruments Inc. The National Stock Number assigned to this part is 6130014490782, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EWS 25 28.