supply of [1] carbon brush assembly, [2] clip assembly. , one set consisting of 2 items as mentined below: 1) carbon brush assembly (for wheel set earthing equipment) to rcf drg. no. lw71239, alt.nil conforming to rcf sp ecification no. edts-101, rev-c, amendment no. 1 to 3, corrigendum-1 to 10, annexure-1. q ty: 1 no./set. 2) clip assembly (for wheel set earthing equipment) to rcf drg. no. lw71240, alt. a, conforming to rcf specification no. edts-101, rev-c, amendment no. 1 to 3, corrige ndum1 to 10, annexure-1. qty: 1 no./set. [ warranty period: 30 months after the date of deliver y ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]