supply of spare parts of deep well hand pumps india mark-ii and iii under d.w.s division, no. 02, dumka for the year 2024-25. , name of materials , hexagonal bolt m12x1.75x40mm long common to mark ii & iii , hexagonal nut m12x1.75mm. , washer m12 (2.5mm thick) , high tensile bolt m10x1.5x40mm long , nyloc nut m10x1.5mm , handle axle (stainless steel) , washer for handle axle (4mm thick) , ball bearing 6204 z , spacer for handle , chain with coupling , hexagonal bolt for from cover m12x1.75 mmx20mm long , nitrile rubber cup washer for mark - ii & iii , nitrile sealing ring mark - ii , nitrile rubber seating big for upper valve mark-ii , hexagonal rod coupling m12x1.75x50mm long , pump head assembly (g.i) with front cover, bolt & third plate , handle assembly (g.i) , (a) water tank assembly for mark - ii (g.i) , connecting rod 3mtr. long with coupling and nut (electro-galvanized) , (a) cylinder assembly complete set for mark-ii , (a) upper valve assembly complete set for india mark-ii , (a) lower valve assembly complete set for india mark-ii , reducer cap for cylinder mark-ii , (a) plunger rod (s.s.) for mark-ii , upper valve guide (g.m.) , rubber seat retainer for mark-ii , third plate for head assembly (galvanized) , cylinder body with brass liner for im-ii with reducer cap for top and bottom , gun metal spacer , check valve guide mark-ii , (a) check valve seat for mark-ii , 32mm. dia. g.i. seamless pipe socket , add 5% gst