supply of dynamically balanced 6 v deep grooved alternator pulleys suitable for 25 kw brushless alternator conforming to rdso drawing. no. skel 3645 rev.4 - 2014 and rdso specification no. elps / spec / tl / 13 march 1998. the fine finish mating surface of alternator pulley with shaft shall not be less than 80 percent as per clause 7.3 of rdso specification no.rdso / pe / spec / ac / 0056-2004 rev.1. accepted makes: kel, presstech, hmtd , pd steels, stesalit, calcutta iron udyog, vinayak founders, nss stores supply agency, ic electricals, rine engineering [ warranty period: 30 months after the date of delivery ]