supply of flexible hose , flexible hose (650mm) for bogie for lhb type bg coaches (body to bogie connection) confor ming to rdso material specification rdso/2011/cg-04 rev-04 of march 2025 and rdso drawing no. cg-1 9036 alt-01 or m/s. ftil drg / part no. ft0052512-001 with latest alteration or m/s kbi drg / part no. kp027 4893 with latest alteration or m/s escorts limited drg / part no. 1j112000031 with latest alteration. note: the upgraded flexible hose should be procured from rdso approved sources for axle mounted disc brake system to ensure quality of this critical item [ warranty period: 30 months after the date of delivery ] ]