supply of ring,collar,securing cup , 1.ring to drg.no. emu/m-0-2-006, item-1, alt k- 8 nos, 2.collar to drg.no. emu/ m-0-2-005, item-1, alt q - 8 nos,3.securing cup to drg.no. emu/m-0-2-007 item 1, alt n- 8 nos. ( s.l.nos 1 to 3 makes one coach set and to be supplied in coach sets only). special conditio n : - the manufacturing facility as per icf/md/spec-142, issue status-01 rev.00, amendment- nil. each of the above items shall be coated with easily removable rust pre vention oil and covered with bio degradable plastic sheet of thickness not less than 5 0 microns (minimum). items shall be packed coach setwise and supplied in water-proof s ealed bag . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]