supply of dmu tc bogiedmu tc bogie,dmu tc bogie bolster for secondary air suspension bogies to drg. no.dmu/t c7-0-4-701, alt ? f ? ( without nylon bush where ever applicable) andrdso specn: c- 9202, rev.-02.the firm shall fulfil the requirements as pericf md specn.-147, issue status-01 ,re v.-02, with amendment. no.- 01.item shall be suitably packed to avoid ingress of water in center pivot housingand spigot housing. threaded air connection at bolster end shall be closed.bio-degradable plastic / wooden covers may be used for closing.all machine d areas shall be coated with grease (lithium based) beforepacking. [ warranty period: 7 2 months after the date of delivery ] ] => limited