supply of top housing , top housing for constant contact polyurethane side bearer pad for casnub 22hs bogie, to drg. no. aal-021101, alt-8, item no.1 and other technical requirements conforming to rdso specification no. wd-38-misc-2004, rev.02 of nov-2022. accepted description:top housing for constant contact polyure thane side bearer pad for casnub 22 hs bogie, as per our rdso approved drawing no.cfl/ccsb/a alt.1 it em no.02 conforming to rdso spec.no.wd-38-misc-2004 rev.2 of november-2022. u-vam item id- 310035 4001, constant contact side bearer for casnub 22hs bogies, casnub 22hs(mod-i) bogies, casnub 22hs (mod-ii) bogies. [ warranty period: 30 months after the date of delivery ] ] , top housing to drg no. aal-021101/n, alt -1 or latest item no. 1 along with pu lining, item no. 4, for poly urethane side bearer pad for nlb bogies. specn: wd-38-misc-2004 r ev-2. or latest. u-vam item id- 3100354002, constant contact side bearer for casnub 22nlb bogies. [ wa rranty period: 30 months after the date of delivery ] ]