supply of vertical wear liner for casnub 22 hs bogies for boxn hl wagon. as per drg. no. wd-97049-s3 , alt.-10 or latest item no. 4. . (manufacturer%u2019s initial, month & year of manufacture marked by metal laser engraving in 6 mm type & . 1 mm depth minimum on hidden surface).vertical wear liner for casnub 22 hs bogies for boxn hl wagon. as per drg. no. wd-97049-s3 , alt.-10 or latest item no. 4. . (manufacturer%u2019s initial, month & year of manufacture marked by metal laser engraving in 6 mm type & . 1 mm depth minimum on hidden surface).,vertical wear liner for casnub 22 hs bogies for boxn hl wagon. as per drg. no. wd-97 049-s3 , alt.-10 or latest item no. 4. . (manufacturer%u2019s initial, month & year of manufacture mar ked by metal laser engraving in 6 mm type & . 1 mm depth minimum on hidden surface). [ 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 ] ] => limited