supply of oh kit for isolating cock consisting of 3 itemsoh kit for isolating cock consisting of 3 items,oh kit for isolating cock consisting of 3 items (rdso design) conforming to rdso specn no-02-abr-02, amendment-3 of april 2010 appendix-1 and ptfe.1) seat ring - to rdso drg.no .rdso/sk-97003 - alt-5-item no.4 - mat specn-ptfe - qty/kit-2, 2) sealing waher to rdso drg.no.rds o/sk-97003-alt-5-item no.5-mat specn-ptfe - qty/kit-1, 3) gland packing to rdso drg.no. rdso/sk-9 7003 - alt-5 - item no.8 ? mat specn-ptfe - qty/kit-2, as per drg.no.rdso/sk-97003 alt-5 - item no.4, 5 & 8 specn: no-02-abr-02, amendment - 3 of april 2010 appendix - 1 and ptfe. [ warranty period: 36 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: ma x 8 lacs ] ] => limited