Inquiry (采购产品): 828 AADC Trip Valves Need a part number for a compression spring on an 828 AADC Main Steam Line Trip Valve. The S&K drawing numbers are 71-XC-18 (assembly drawing) and 74-XS-36 (parts listing). The item number for the compression spring is 49. The drawings were made in Cornwells Heights, PA. **** Hidden Message ***** Mike Drake 68008 Company: Omaha Public Power District E-mail: mrdrake@oppd.com **** Hidden Message ***** mrdrake@oppd.com