supply of one set consisting of 2 items , one set consisting of 2 items: 1) carbon brush assembly (for wheel set earthing equipment) to rcf drg. no. lw71239, alt.nil conforming to rcf specification no. edts.101, rev. c, amendme nt no. 1 to 3, corrigendum-1 to 8, annexure-1. qty: 1 no./set. 2) clip assembly (for wheel set earthing eq uipment) to rcf drg. no. lw71240, alt. a, conforming to rcf specification no. edts.101, rev. c, amendment no. 1 to 3, corrigendum-1 to 10, annexure-1. qty: 1 no./set. [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]