supply of procurement of kit for constant contact polyurethene side bearer pad assembly for h.s bogie without housing etc.procurement of kit for constant contact polyurethene side bearer pad assembly for h.s bogie without housing etc., kit for constant contact polyurethene side bearer pad assembly for h.s bogie without housing to drg no. aal-021101, item no - 3, 4, 5 & 6, alt no-8 ( eight ) and rdsos specn. no-wd-38-misc-2004 ( rev-1 ) of jan 2008 with amendment no. -1 of march2008 and amendment no.-2 of september 2016 . item listed below. ( 1 ) round plate and stopper spring ( in assembled condition ) qty. as per set - 02 nos., item no. - 3& 6. ( 2 ) pu lining ( top & bottom ) , qty. per set - 01 nos. each , item no. - 04. ( 3 ) polyring , qty per set - 03 nos., item no. 05.