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 1st amendment is: 15500 ( part 1-7 ) 2004 with latest amendment for sparesof india mark- ii respectively ) under d.w.&s. division, deoghar for the year 2023-24-- 1 hexagonal bolt m12x1.75 x40mmlong 2 hexagonal nut m12x1.75 3 handle axle ( stainless steel ) 4 ball bearing 6204z 5 connecting rod 3m long with coupling and nut ( electro galvanished ) 6 chainwith coupling 7 upper valve guide for im-ii ( g.m. ) 8 check valve guide for im-ii 9 nitrile rubber cub washer for mark- ii & iii 10 upper valve assembly complete set for for india mark- ii 11 lower valve assembly complete set for india mark- ii 12 cylinder assembly complete set for mark- ii 13 pump head assembly ( g.i. ) with front cover, bolt and third plate 14 handle assembly ( g.i. ) 15 nylock nut m10x 1.5mm 16 high tensile long bolt m10x1.5x40mm 17 water tank assembly mark- ii ( g.i. ) 18 cylinder body with brass liner for i.m. ii with reducer cap for top & bottom