supply of stainless steel cl for fixing conditioned air ducts (52266101 & 52266102) , stainless steel clamp for fixing conditioned air ducts of sg ac coaches consisting of two numbers of c section channel s of length 715 mm and two sets of m 8 x 305 mm stainless steel bolts ( threaded at both ends) with suitable hex nuts (8 numbers p er set) as per sse/dlx/cw/per drawing no.dlx/ac/03/05, rev.1, item 1. (all items shall be of ss 304 grade stainless steel).the mat erial shall be supplied in assembled condition. [ warranty period: 30 months after the date of delivery ] ] , stainless steel clamp for return air duct of sg ac coaches including two numbers of c section channels of length 445 mm and two sets of m 8 x 380 mm stainless steel bolts ( threaded at both ends) with suitable hex nuts (8 numbers per set) as per s se/dlx/cw/per drawing no. dlx/ac/03/05, rev.1, item 2. (all items shall be of ss 304 grade stainless steel ). the materials shall b e supplied in assembled condition. [ warranty period: 30 months after the date of delivery ] ]