supply of stainless steel cl for return air duc , stainless steel clamp for fixing conditioned air ducts of rmpu ac coaches including two numb ers of c section channels of length 715 mm and two set of m 8 x 305 mm, ss bolts both ends threaded with nuts and washer conforming to sse/dlx/cw/per drawing no. dlx/ac/03/05, rev.1, item 1. (ss 304 grade) [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , stainless steel clamp for return air duct (ss 304 grade) of rmpu ac coaches including two nu mbers of c section channels of length 445 mm and two sets of m 8 x 380 mm ss bolt both end threaded wi h nuts and washers confirm to sse/dlx/cw/per drawing no. dlx/ac/03/05, rev.1, item 2. (ss 304 grade) [ warranty period: 12 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]