tender for supply of spare parts of deep well hand pumps india mark-ii conforming to i.s:9301-1190 with latest amendment (may be read along with 1st amendment is:15500(part 1-7) 2004 with latest amendment for spares common to both india mark-ii & iii respectively) under d.w.&s division, no. 01, dumka for the year 2025-26. , spare parts of hand pump(isi marked) , 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 front cover m12x1.75 mm 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 , connecting rod 3mtr. long with coupling and nut (electro-galvanized) , cylinder assembly complete set for mark-ii , upper valve assembly complete set for india mark-ii , lower valve assembly complete set for india mark-ii , reducer cap for cylinder mark-ii , plunger rod (s.s.) for mark-ii , upper valve guide (g.m.) , rubber seat retainer for mark-ii , cylinder body with brass liner for im-ii with reducer cap for top and buttom , gun metal spacer , check valve guide mark-ii , check valve seat for mark-ii , 32mm. dia. g.i. seamless pipe socket , add 5% gst