V deep 6 grooved Alternator pulley for 18/ 25 kW Brushless Alternator conforming to RDSO Drg. No. SKEL- 3645 ( Rev- 4 ) and to RDSO specification No. ELPS/ SPEC/ TL/ 13 March 1998. However, the firms may quote for latest Specn./ Drawing with amendment, if any, issued by RDSO/ ICF/ RCF.