supply of overhauling kit for sandwich piece assemoverhauling kit for sandwich piece assem,overhauling kit for sandwich piece assembly & isolating cock for c3w dv consi sting of 4 items:- 1) o ring to ftrtil part no. 603701000 or gipl part no gi/c3w/0015/149 qty/set - 0 2nos,2) valve finish/assembly to ftrtil part no. 603401000 or gipl part no. gi/c3w/192057 qty/set-0 1no, 3) spring to ftrtil part no. 603805000 or gipl part no gi/c3w/192058 qty/set-01no,4) joint to ft rtil part no. 501710000 or gipl part no gi/c3w/1902102/35 qty/set-01no.confirming to rdso spec. 02- abr-02 with amend no.4, 04-abr-2019 (rev.02 of dec- 2019) [ warranty period: 30 months after the dat e of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]