supply of supply of s s tubes and double ferrule fittingssupply of s s tubes and double ferrule fittings, supply of stainless steel tubes and double ferrule fittings for 3 phase memu / dmc coaches as per icf / md / spec-166 issue status -01 rev.04 and ammendement 01 to 03 and to material schedule no. icf / sk-10-2-646 issue status -01 rev.00, as per drawing: material schedule no.icf / sk-10-2-646 without item no. 25.1 to 25.11 issue satus-01 , rev- 00, cs-01, proction procedure: pi100- , supply of stainless steel tubes and double ferrule fittings for 3 phase memu / tc coaches to material schedule no. icf / sk-10-2-647 , issue status.01 , rev-00 , read along with icf / md / spec-166 , rev-04 and ammendment no-01 to 03., as per drawing: material schedule no.icf / sk-10-2-647 without item at sr.no. 12.1 to 12.11 issue status -01 rev.00