supply of procurement of wheel set earthing equipment sub-assembly etc. , wheel set earthing equipment sub-assemblies in set consisting of following items:(1) isolatin g bush as per rcf drg. no. lw71244, - 10 nos., (2) bracket as per rcf drg. no. lw71247, alt.-nil, 02 nos., (3)spring for cover for wheel set earthing housing as per rcf drg. no. lw71250, alt.-b, 01 nos., (4)cover hinge tube for earthing brush assembly as per rcf drg. no. lw71253, alt. nil, 01 nos.,(5)cover pin for wh eel set earthing equipment as per rcf drg. no. lw71254, alt. a, 01 nos., (6) o-ring of dia. 140x2mm of m aterial: neoprene rubber, -02 nos. (7) o-ring of dia. 30x2mm of material: neoprene rubber, -02 nos. [ wa rranty period: 30 months after the date of delivery ] ]