supply of double sealed fixed glass unitdouble sealed fixed glass unit,double sealed fixed glass unit (size: 622x521x18.38 mm) for hopper window of lhb coaches, conforming to rcf specification no. mdts-089 rev.04. to rcf drg no : lw5 4160 alt : b note: as per drawing, glass for glass unit should be procured only from reputed manufacturers like: (i) m/s saint gobain (ii) m/s modiguard (iii) ais [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] carr. repair stores/tpty, andhra pradesh 677.00 numbers