supply of oh kit for isolating cock etcoh kit for isolating cock etc,oh kit for isolating cock consisting of 3 items [rdso design] conforming to rds o specn no:02-abr-02, amendment-3 of april 2010 appendix-1 and ptfe. sl.no.[1]seat ring - to rd so drg no:rdso/sk-97003 - alt:5 - item no:4 - mat specn:ptfe - qty/kit:2. [2]sealing washer -to rd so drg no:rdso/sk-97003 - alt:5 - item no:5 - mat specn:ptfe - qty/kit:1. [3]gland packing - to rd so drg no:rdso/sk-97003 - alt:5 - item no:8 - mat specn:ptfe - qty/kit:2. as per drg.no. rdso/sk-970 03 - alt:5 - item no:4, 5 & 8 as per specn. 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: m ax 8 lacs ] ]