supply of set of piston rings for auxiliary compressor etc.set of piston rings for auxiliary compressor etc.,set of piston rings for auxiliary compressor consists of 03 items. [i] plain compression ring dia.60 - 01 no/set. [ii] stepped compression ring dia.60-01 no/set & [iii] slotted oil control ring d ia.60 - 02 nos/set. specification/ drg. no. [i] plain compression ring dia.60 - elgis drg. no. 000 416 8 70. [ii] stepped compression ring dia.60 - elgis drg. no. 000 420 330 & [iii] slotted oil control ring d ia.60 - elgis drg. no. 000 416 880. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]