Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 997-5993 found under Power Supply by Chugach Industries Inc. The National Stock Number assigned to this part is 6130015986105, 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 997-5993.