supply of liner 75x17x4 mm for bolster column outer gib , liner 75x17x4 mm for bolster column outer gib . drawing no :- fig. 41, para 5.4.3 of g - 95 (rev.1, with amend. no. 5). mat. & spec : (1) wd - 21 - casnub - 22 nlb - bogie - 93, (rev. 2, am end. no. 6). (2) is : 3885, pt. 1, gr. iv, hardness 380 - 420 bhn. inspection :- further all the necessary inspections shall be carried out as per rdso spec. no. wd-21-casnub-22 nlb bogie- 93, rev. 2 with amend. 6. special terms & conditions :- liner shall be marked for manufacturer initial and month & ye ar of manufacturing by metal laser engraving in 6mm size and 0.1 mm depth minimum. (as per rdso letter no. mw/plng/csnb/vendor dt. 10.11.23) [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]