supply of door chainless cotter long to irs drg. no. w/dw-2517 alt-2door chainless cotter long to irs drg. no. w/dw-2517 alt-2,door chainless cotter long to irs drg. no. w/dw-2517 alt-2 for bogie covered wagons ( except material) material should be to is:2062-2011, amendment no.1 of nov-2012, gr. e 250 a or is:1 875-1992, (reaffirmed-2004) & is 2004-1991, (reaffirmed-2012) cl-2. as per drg.no. w/dw-2517 alt -2 as per specn. is:2062-2011 amendment no.1 of nov. 2012, gr. e 250 a [ warranty period: 30 mo nths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]