tender for carbon brush for ta-17 (dlw pt no: 18420060). drg no: emd pt. no.40034666, dlwdrg no. 40034666, alt-aa, rdso spec no: mp.o.2400.60(rev-05), nov-2018, refer rdso letterno. sd dfm a2.2 dated 25.06.2020 for carbon blocks and brush grades list for tractionapplication in diesel locomotives .
