supply of ring, collar, securing cup.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 conditi on : - the manufacturing facility as per icf/md/spec-142, issue status-01 rev.00, amendmen t- nil. each of the above items shall be coated with easily removable rust prevention oil and covered with bio degradable plastic sheet of thickness not less than 50 microns (m inimum). items shall be packed coach set wise and supplied in water-proof sealed bag . [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]