Supply Of Helical Spring For Axle Box To Icf Drg. No.: Emu/m 0-1-024 Accepted Description - Helical Spring For Axle Box Guide Arrangement As Per Icfs Drg No Emu/m 0-1-024, Alt .no Q/nil Rdsos Specification No Wd -01-hls-1994 Rev No 03/2009 Amendment Slip No 04/2020 Tariff/hsn Code-73202000.