supply of wheel set earthing equipment sub-wheel set earthing equipment sub-,wheel set earthing equipment sub-assemblies in set consisting of following items: (1) is olating bush as per rcf drg. no. lw 71244, qty- 10 nos. (2) bracket as per rcf drg. no. lw 71247, q ty-02 nos. (3) spring for cover of wheel set earthing housing as per rcf drg. no. lw 71250, qty- 01 no. (4) cover hinge tube for earthing brush assembly as per rcf drg. no. lw 71253, qty- 01 no. (5) cover pin for wheel set earthing equipment as per rcf drg. no. lw71254, qty- 01 no. (6) o-ring of dia. 140x2 mm of material: neoprene rubber, qty- 02 nos. (7) oring of dia. 30x2 mm of material: neo prene rubber, qty- 02 nos. as per rcf specification no. edts 101, rev. c (latest) [ warranty perio d: 30 months after the date of delivery ] ]