supply of overhauling kit for manifold mounting cock ftrtil part no. 790006151 consisting of following items ( 1 ) kit for isolating cock, part no. 790003101, qty / set= 1 nos. consisting of four items. ( i ) rubber ball seat part no. 003701000a, qty / set=02 nos. ( ii ) o ring ( id-45.69xwidth-2.62 ) , part no. 003705000a, qty / set= 01 nos ( iii ) o ring ( id- 10.78xwidth-2.62 ) , part no. 001710500a, qty / set= 01 nos ( iv ) valve insert, part no. 003603000, qty / set= 01 ( 2 ) o ring ( 10.69x3.53 ) , part no. 013701000a, qty / set= 01, ( 3 ) o ring ( id-23.40xwidth- 3.53 ) , part no. 006720000a, qty / set= 02 nos. [ warranty period: 30 months after the date of delivery ]