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 ] ]