supply of one rake set of ss tubes and double ferrule fittings required for failure indication and brake aplication (fiba)one rake set of ss tubes and double ferrule fittings required for failure indication and brake aplication (fiba),one rake set of ss tubes and double ferrule fittings required for failur e indication and brake aplication (fiba) device consisting of 1. s.s. tubes and double f errule fittings for demu/dpc to material schedule no.icf/sk-10-2-644 issue status-01 rev-00- qty-2 sets/rake. 2. s.s. tubes and double ferrule fittings for demu/tc to mate rial schedule no.icf /sk-10-2-643 issue status-01 rev-00 qty-8 [ warranty period: 30 months aft er the date of delivery ] ]