Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 115659123 FIND 58 found under Gage Vacuum Indicating by Rolls Royce Marine North America. The National Stock Number assigned to this part is 6685013318408, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 115659123 FIND 58.