Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51517-1380 found under Connector Receptacl by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 5935012442884, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 51517-1380.