Supply of Bolster Spring Outer For Blc Wagon. Drawing No. :- Contr-9404-S/7, Alt- 7, Item No-1. Spec. No:- Wd-01-Hls-94 Rev-4. Guarantee:- The Spring Shall Be Guaranteed For A Period Of Five Years From The Date Of Manufacture Of The Spring Or For A Period Of Four Years From The Date Of Actual Fitment, Whichever Is Earlier. For Details Please See Spec. No. Wd-01-Hls-1994, Rev-4..