2GM50-D-4B-B 2GM50-D-4B-B/2 HEX 2GM50-D-4B-B-XDRT1 2GM50-NBL3 2GM50-NBL8 2GM50-NRD3 2GM51-52 2GM51-62 2GM51-63 2GM51-63/2 HEX