supply of 25 kw brushless alternator with other accessories ( excluding electronic rectifier-cum-regulator unit or rectifier-cum-regulator unit ) conforming to rdso specification no. rdso / pe / spec / ac / 0056 - 2014 rev.1 the accessories shall be as per drawings listed below ( a ) alternator pulley shall be as per rdso drg. no. skel 3645 ( rev.4 ) 2014. ( b ) axle pulley shall be as per rdso drg. no. skel 3652 alt.3 ( c ) rubber pad shall be as per rdso drg. no. skel 4021 alt.2 ( d ) safety chain shall be as per rdso drg. no. skel 4022 alt.3 ( e ) suspension hanger pin with split cotter and washer shall be as per rdso drg. no. skel 3943 ( rev.2 ) 2016 alt.1 ( f ) belt tension device with indicator plate cut to 250 mm length shall be as per rdso drg. no. skel 3940 sheet 1 alt.5 and sheet 2 alt.5. ( g ) terminal board shall be as per rdso drg. no. rdso / pe / sk / ac / 0047 - 2003 ( rev.4 ) ( h ) modified spring shall be as per drg. no. rdso / pe / sk / ac / 0068-2004 ( rev.0 ) ( i ) wear resistant nylon bush shall be as per rdso drg. no. rdso / pe / sk / tl / 0086 - 2014 ( rev.2 ) alt.1. make acceptable: hmtd, ice, kel, pds, presstech, stesalit [ warranty period: 30 months after the date of delivery ]