supply of liner 105x24x5 mm for bolster land surface , liner 105x24x5 mm for bolster land surface . drawing no :- fig. 40, para 5.4.2 of g - 95 (rev. 1, with amend. no. 5). spec. no : (i) wd-21-casnub-22nlb-bogie-93 (rev. 2, amend. no. 6) (ii) i s : 3885 pt. 1, gr. iv, hardness 380 - 420 bhn . inspection :- further all the necessary inspections shal l be carried out as per para-9 and clauses contained therein as per rdso spec. no. wd-21-casnub-2 2 nlb bogie- 93, rev. 2 with amend. 6 ). special terms & conditions :- liner shall be marked for man ufacturer initial and month and the year of manufactured 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 p eriod: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]