supply of carbon brush for traction motor type hitachi hs-15250 a as per rdso specification no. elrs/spec/cb/0027 (rev. , carbon brush for traction motor type hitachi hs-15250 a as per rdso specification no. el rs/spec/cb/0027 (rev.0) of sept-2003 or latest and conforming to rdso drawing no. el.3.bs.013 (mo d) alt.5 or latest. spl note : the following grades are only acceptable. 1. acpl using grade eg-105 (s) im ported/ indigenous of acpl or mersen india using imported grade eg- 9049 of mersen/france or mersen i ndia using grade eg-8220 of mersen india. 2. mersen india using imported grade eg- 9049 of mersen/fra nce should obtain carbon brush blocks for manufacture of brushes from approved manufacturer after ins pection by rites) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ]