supply of overhauling kit for vent valve to kbi/nyab , overhauling kit for vent valve to kbi /nyab part no. 775096 consisting of 8 items. specif ication: 1. housing valve seal, part no. 739597, qty.-1 2.retainer valve seal, part no. 743474, qt y. -1 3.retaining ring internal, part no. 733868, qty.-1 4. o-ring, part no. 738796, qty.-1 5. o-rin g, part no. 738979, qty. -1 6. seal valve, part no. 739002, qty. -1 7. spring compression, part no. 743430, qty. -1 8. retaining ring, part no. 764868, qty.-1 one set consisting of 08 items. item detail as per kbi annexure attached. [ warranty period: 30 months after the date of delivery ] ]