supply of overhauling kit for cock ahb ( 200nw19 ) to kbi part no.wbahb230aa002 for air brake system of lhb coaches consisting of 09 items kit part no. ii63669 s.n.1 ) gasket part no.wb419137a qty. 02 nos. s.n. 2 ) spring part no. wb409906 qty. 01 no. s.n. 3 ) shaft sealing ring part no. w4082704a qty. 01 no. s.n. 4 ) o-ring part no. b24137 or or022000 qty. 02 nos. s.n. 5 ) o-ring part no. b76832 qty. 01 no. s.n. 6 ) o-ring part no. a78503 qty. 01 no. s.n.7 ) o-ring part no. a50187 or or010000 qty. 01 no. s.n. 8 ) o-ring part no. b72767 qty. 03 nos. s.n.9 ) o-ring part no. w40704995 or or123000 qty. 01 no. ( 01 set= 13 nos. ) [ warranty period: 30 months after the date of delivery ] senior section engineer air brake gujarat 170.00 set