supply of a set of si-mn liners for nl b/hs casnub bogie. , a set of si-mn liners for nlb/hs casnub bogie.conforming to material specification to is: 3885-1992 pt1 with amendment 1 and 2, griv, hardness: 380-420 bhn with proper marking on each li ners one set consists of-(1) side frame antirotating lug liner size-23x244x3 mm , qty = 02 nos.(2) sid e frame column liner (inner) size :10mm x 240mm x 3mm, qty=01 nos.(3) side frame column liner (o uter) size :25mm x 240mm x 3mm, qty=01 no.(4) pedestal crown roof liner 125x145x3 mm, qty=01 no. (5) pedestal jaw long liner 17x75x5 mm, qty=08 nos.(6) brake beam end piece liner 115x45x3 m m, qty = 01 nos. [ warranty period: 30 months after the date of delivery ] ]