supply of set of three item consistingset of three item consisting,set of three item consisting of (1) hexagonal nut size 16mm x 2.0 pitch with suitable two flat washe rs as per is 2016 and one spring washer as per is 3063 zinc plated. and grade 8.8, is 1367-2016. qty-2000 nos . (2) special flat washer zinc plated size id 17mm od 32mm x 3.25mm thickness grade 8.8 as per is-1367-201 6 qty-2000 nos. (3). hexagonal bolt full threaded size m8 35mm long with suitable flat washer 02 nos. nut -01 n os. and spring washer - 01 per set with cadmium plated as per is 1367 grade- 8.8, qty-5000 nos. make: unb rako/lps/tvs only. for providing in electric locomotives. [ warranty period: 30 months after the date of deliv ery ]