supply of wheel set earthing equipment sub-assemblies in set consisting of following.wheel set earthing equipment sub-assemblies in set consisting of following., wheel set earthing equipment sub-assemblies in set consisting of followi ng items: 1 ) isolating bush as per rcf drg.no.lw 71244 - 10 nos. 2 ) bracket as per rcf d rg.no.lw 71247 - 02 nos. 3 ) spring for cover for wheel set earthing housing as per rc f drg.no.lw 71250 - 01 nos. 4 ) cover hinge tube for earthing brush assembly as per rc f drg. no. lw 71253 - 01 nos. 5 ) cover pin for wheel set earthing equipment as per rcf drg. no. lw71254 - 01 nos. 6 ) o-ring of dia 140 x 2 mm of material: neoprene rubber - 02 n os. 7 ) o-ring of dia 30 x 2 mm of material: neoprene rubber - 02 nos [ warranty period: 30 m onths after the date of delivery ] => limited