supply of a set of si-mn liners for nlb/hs casnub , a set of si-mn liners for nlb/hs casnub bogie. conforming to material specification to i s:3885-1992 pt-1 with amendment 1 and 2, gr-iv, hardness: 380-420 bhn with proper marking on ea ch liners one set consists of- (1) side frame antirotating lug liner size-23x244x3 mm , qty = 02 nos. ( 2) side frame column liner (inner) size :10mm x 240mm x 3mm, qty=01 nos. (3) side frame column li ner (outer) size :25mm x 240mm x 3mm, qty=01 no. (4) pedestal crown roof liner 125x145x3 mm, qt y=01 no. (5) pedestal jaw long liner 17x75x5 mm, qty=08 nos. (6) brake beam end piece liner 115x4 5x3 mm, qty = 01 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]