supply of maintenance kit for cgr consisting of 09 items. , maintenance kit for cgr consisting of 09 items.bt pt. no. aal pt. no. qty. 1- insulating bush s-2502 g-2502 01 no., 2- bush s-2503 g-2503 01 no., 3- stud m-6 s-2504 g-2504 01 no., 4-insu lating washer s-2505 g2505 02 nos., 5-punched washer s-2507 g-2507 02 nos., 6-belliville washer s- 2508 g-2508 02 nos., 7 -packing washer s-2509 g-2509 02 nos., 8- castle nut m-6 s-2510 g-2510 02 nos. 9- split cotter pin s-2511 g -2511 02 nos., technical circular no. rdso/2010/el/tc/0102, rev.2, dated 06.08.2021 [ warranty period: 30 months after the date of delivery ] ]