tender for rubber kit for 1.1/4 cut-off angle cock with vent as per clw drg. no.0/2/65/386 alt.6 or latest, ref-12 & 13 (02 items 03 nos.) consisting (i) 0 ring (ref-12) 01 no. (ii)sealing washer (ref.-13)-02 nos. (this is shelf life item and should be procured with staggered delivery period .supplier to mention / print date of manufacturing on the item & item to be supplied within 90 days of manufacturedate.) .