supply of insulation set for ground connection made of nylon -66 for 220mm tws point machine , insulation set for ground connection made of nylon -66 for 220mm tws point machine as pe r spec no.irs.s40/84 or latest . one set consisting material as follows: (1)insulating washer - 12 nos drg.n o.s-8640 (2) insulating washer - 04 nos. drg no.s 8640/1. (3)insulating washer - 02 nos. drg no.s -8640/2 (4)insulating bush - 10 nos.drg no. s - 23199 (5)insulating bush to drg no.s 3463 - 01 nos (6) insulating bu sh - 02 nos.drg no.s-22179 (7) insulating bush - 02 nos. drg no.s-8912. 8. insulating plate - 2 no.drg no.s 3404 9. insulating bush - 04 no. drg o.s-8813 (10). insulating plate rh - 1 no.drg no.s-3265 (11)insulating plate lh - 01 no. drg no.3266 note: 05 set of sample to be sent for suitability purpose to consignee ,after t he approval of sample piece only bulk quantity to be supplied ,other wise material will be rejected. [ warra nty period: 12 months after the date of delivery ] ]