supply of spare parts of deep well hand pump india mark-ii conforming to i.s- 9301-1990 with latest amendment ( may be read along with ist amendment is- 15500 ( part 1-7 ) 2004 with latest amendment for spares of india mark- ii respectively ) supply of spare parts of deep well hand pump india mark-ii conforming to i.s- 9301-1990 with latest amendment ( may be read along with ist amendment is- 15500 ( part 1-7 ) 2004 with latest amendment for spares of india mark- ii respectively ) , spare parts of india mark ii deep well hand pump conforming to i.s. - 15500 ( pt-ii ) / 2004 to be procured only from approved manufacturers from approved manufacturers from unicef approved qualified supplier & after proper verification of offer sheet inspection certificate marketing and packing etc as per unicefs standard norms , hexagonal bolt - m12x1.75x40 mm , hexagonal nut - m12x1.75 mm , handle axel ( stainless steel ) , chain with coupling , nitrile rubber cup washer , upper valve assembly for mark ii , lowervalve assembly for mark ii , upper valve guide ( g.m ) for mark ii , check valve guidefor mark ii , cylinder assembly for mark ii , rubber seat retainer for mark ii , connecting rod ( 12mm dia x 3.0 m ) , h.t. bolt , nylock nut , gst @ 5%