Blind socket assembly with locking arran [ Blind socket assembly with locking arrangement suitable for inter vehicle coupler ( ZS coupling 400 A, 750 V ) for LHB Type Drg. No. LW71302 and RCF Specification No. EDTS- 105 ( Rev- E ) with Amdt. 1, 2 & 3 or latest. Make- RCF approved make. as per Drg. No. LW71302 ]