supply of supply of flap door for bcna wagonsupply of flap door for bcna wagon,flap door arrangement for boxn variants & bost variants to rdso drg. no. wd-23018-s-01, item-1 1,4,5,6,7,9,10 & 19 in assembled condition, alt-2 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ] , flap door for bcna wagon to rdso drg. no. wd-90030-s-66, alt.10, item no. 3,13,14,15 & 16. (wel ded assembly) and material conforming to is: 2062-2011, reaffirmed-2021, grade- e 250 cu a. material for panel, i tem no.3 to irs specn.m-41-1997, last amendment slip no.2 of march-2006. [ warranty period: 30 months after t he date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 la cs ] ] => limited