supply of swing door bolt pin , swing door bolt pin as per rdso drg.no wd 90030-s-66 alt10; item no 20.mat and spec.as per drg. specn: r dso drg.no. 90030-s-66 alt10: item no 20 mat. and spec. as per drg. [ warranty period: 30 months after the date of delivery ] ] , door hinge for bcna swing door to drg.no.wd-90030-s-66, alt.10, item no.4 material & specification as per drawing [ warranty period: 30 months after the date of delivery ] ] , door hinge (flap door) for bcna wagon to rdsos drg. no. wd-90030-s-66,alt 10 item no. 16. material & specification a s per drawing [ warranty period: 30 months after the date of delivery ] ] , door chainless cotter bracket /bcna. matl. drg.no.wd-90030-s-66, alt.10, item no.13 material & specification as per dr awing [ warranty period: 30 months after the date of delivery ] ] , swing door bolt eye to drg.no. wd-90030-s-66, alt.10, item no. 8. to specn. is:1875/1992 (ra - 2021) class - 2 with amendment no.2 of nov.1994 [ warranty period: 30 months after the date of delivery ] ] , swing door bolt guide to drg. no.wd-90030-s-66, alt.10, item no.10 material & specification as per drawing [ warranty period: 30 months after the date of delivery ] ]