supply of overhauling kit for cock ahb 200nw19 tooverhauling kit for cock ahb 200nw19 to,overhauling kit for cock ahb 200nw19 to kbi part no. wbahb230aa002 for ai r brake system of lhb coaches consisting of 09 items, kit part no. ii 63669 s.no,part name,part no.& qty/set respectively 1) gasket part no.wb 419137a qty /set 02 nos. 2)spri ng part no. wb409906 qty / set. 01 no. 3)shaft sealing ring part no. w4082704a qty / set . 01 no. 4)o-ring part no. b24137/ or 022000 qty / set .02 nos. 5)o-ring part no. b76832 qty / set 01 no. 6)o-ring part no. a78503 qty / set. 01 no. 7)o-ring partno. a50187/ or 010000 qt y / set, 01 no. 8)o-ring part no. b72767 qty / set.03 nos. 9)o-ring part no. w40704995 or 123 000 qty / set. 01 no. [ warranty period: 30 months after the date of delivery ] ]