supply of industrial lock assembly for ceiling of lhb coaches conformin g to rcf drg no lw44158 alt d sample should be approved by the consignee before b ulk supply lock to be procure from m s southco part no e5 6 052 121 or m s dirak p art no 379 0001 01 39103 manufacturer name should be there on the product warrant y period 30 months after the date of delivery