WR4072-470 YBF RL/4H5 OBSOLETE, ALTERNATIVE B05406-00!!!!!; YBN-R/3(WHT) YBN-R/3 YBN-R/4(IS) YBN-R/6 YBN-R/6M YBO-R/3(RED) YBO-R/6RN HCP-E(SCI) SR2T Rrear cap for HCP-E(SCI) ALG E ANALOG MCP E - alternative is MCP1A CHQ Z CHQ B CHQ-MZ - alternative is CHQ-SZM2(SCI)