supply of spare parts of deep well hand pump india mark-ii conforming to specification is 15500 part-2 2004 with latest amendment under d w and s division hazaribag for the year 21-22- 1 spare parts of india mark ii deep well hand pump conforming to is:15500 ( part -ii ) 2004 to be procured only from approved manufacturers from approved manufacturersfram unicef approved qualified supplier & after proper verification of offer sheet inspection certificate marketing & packing etc.as per unicef s standard norms. 2 hexagonal bolt m12 x 1.75 x 40 mm long common to marks ii & iii 3 hexagonal nut m-12x1.75 4 washer m12 ( 2.5mm thick ) 5 high tensile bolt m10 x1.5x40 mm long. 6 nyloc nut m10x1.5 7 handle axle ( stainless steel ) 8 ball bearing 6204z 9 chain with coupling 10 handle assembly ( gi ) 11 water tank assembly mark-ii ( gi ) 12 pump head assembly ( gi ) with front cover bolt & third plate 13 nitrile rubbersealing big for lower valve mark- ii 14 nitrile rubber sealing smallfor upper valve mark- ii 15 nitrile rubber cub washer for mark- ii & iii 16 nitrile sealing ring mark- ii 17 cylinder assembly complete set for mark- ii 18 upper valve assembly complete set for for india mark- ii 19 lower valve assembly complete setfor for india mark- ii 20 upper valve guide ( g.m. ) 21 cylinder body with brass liner for im- ii with reducer cap for top & bottam 22 connecting rod 3 mtr. long with coupling and nut and ( electro galvanished ) 23 hexagonal rod coupling ( m12x1.75x50 mm long ) 24 plunger rod ( s.s. ) for mark-ii 25 add 5% gst