supply of spare parts of deep well hand pumps india mark-ii ) under d w and s division, no. 02, dumka for the year 2021-22 supply of spare parts of deep well hand pumps india mark-ii ) under d w and s division, no. 02, dumka for the year 2021-22 , supply ofspare parts for india mark-ii & mark iii ( vlom 65 / vlom 50 ) standard deep well hand pump conforming to i.s. 15500 ( relevant part-1 to 8 ) / 2004 with latest amendment to be procured only from approved manufactures, from bis / unicef approved qualified supplier and after proper verification of offer sheet, inspection certificate marking and packing etc. as per bis / unicef’s standard norms , 12 mm connecting rod 3m long , m12x1.75 x40mmhexagonal bolt , m12x1.75hexagonal nut , bearing 6204z , chainwith coupling , upper valve guide ii , nitrile cup washer mark-ii , upper valve assembly- ii , lower valve assembly-ii , m.s. rodcoupling , 32mm dia g.i seamless pipe socket , c.i. cylinder im -ii , m10x 1.5mm nylock nut , m12x1.75x40mm hightensile long bolt , rubber seating big , rubber seating small , r-cap for cylinder im-ii , 4mm thick washerfor axle , hexagonal bolt for front cover m12x1.75x20mm , front cover ( g.i. ) , cylinder body with brass liner for im- ii , rubber seat retainer im- ii , gun metal spacer , add 5 % gst