supply of one set consisting of 2 itemsone 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 8, annexure-1. qty: 1 no./set. as per drg.no. rcf drg. no. lw71239, alt. nil spec n: rcf spec. no. edts-101, rev-c, amendment no.1to 3, corrigendum-1 to 8,. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]