tender for k.b. make isolating cock poh kit for lhb coach to kb part no. gi-dn25e consisting of 05 itemsgiven below:- (1) part no.133441,description- sealing ring, qty-01 (2) part no. a53363,description- o ring, qty-01 (3) part no. a69700, description- o ring, qty- 01 (4) part no. b25510,description- o ring, qty- 01 (5) partno. 458072, description- retaining ring, qty- 01.