supply of set of three types of o-rings for ac hhp traction motor , set of three types of o-rings for ac hhp traction motor (medha): comprising: 1. o-ring: id:4 00 mm, od:410.6 mm, thickness: 5.3 to 5.4 mm, conforming to astm d2000 (sae j200): m1bg717. 2. o-ri ng: id:345 mm, od:355.6 mm, thickness :5.3 to 5.4 mm, conforming to astm d2000 (sae j200): m1bg717 . 3. o-ring: id:280 mm, od:286 mm, thickness:3.0 mm, conforming to astm d2000 (sae j200): m1bg717. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]