supply of spare parts for standard deep well hand pump im ii im iii d.w. and s. division, gumla during the year 2023-24 , spare of india mark ii/iii deep well hand pump conforming to is:15500(pt-1 to 7) 2004 to be procured only from approved manufacturers or unicef approved qualified supplier & after proper verification of offer sheet inspection certificate marketing and packing etc as per unicefs standard norms. , hexagonal bolt m12x1.75x40mm long common to marks ii & iii , hexagonal nut m12x1.75mm , head assembly , handle assembly , ball bearing 6204 z , chain with coupling. , nitrile rubber cup washer for mark – ii & iii , hexagonal rod coupling m12x1.75x50mm long. , upper valve assembly complete set for india mark-ii , lower valve assembly complete set for india mark-ii , upper valve guide (g.m.). , cylinder body with brass liner for im-ii with reducer cap for top and bottom. , check valve guide mark-ii , 32 mm g.i. socket , add gst @ 5%