V deep 6 grooved Axle pulley as per RDSO Drg. No. SKEL- 3652, Col- I, Alt- 3 and conforming to RDSO specification No. ELPS/ SPEC/ TL/ 13 March 1998, suitable for 18/ 25 kW Brushless Alternator. However, the firms may quote for latest Specn./ Drawing with amendment, if any, issued by RDSO/ ICF/ RCF.