supply of tubewell parts-supply of g. i. pipes of tata make including necessary sockets ( d ) 32 1 mm dia. ( ii ) medium quality ( 3m ) 12 mm dia. gals. m.s. connecting rc 2 with sockets. ( 3m ) 3 1y4 inch socket ( gi ) ( bit ) m-ii cylinder complete set ( brush ) 4 bgs / faiz 5 m-ii plunger rod with socket 6 m-ii chain ( isi ) 7 m-ii bearing ( tata / 51 ( f ) m-ii bucket washer ( lather 8 commodo full crome 9 m-ii plunger set ( brush ) 10 m-ii check valve ( brass ) 11 m-ii ring washer ( big ) 12 m-i1 upper valve guide 13 nut bolt galvanised ( 12mm x 40mm ) 14 m-i1 rod socket 12 mm ( ttc ) 15 m-i1 water tank 16 nut bolt galvanised ( 12mm x 30mm ) supply of pvc pipes & fittings schedule 80 ( medium duty ) conforming to astmd - 1785 and threaded to match with gi pipes as per is : 1239tuff plust / oriplust / 17 dupal ( 3 m ) agriculture gray pipe 140 mm dia 18 ( 2.5kg / cm2 ) ( 3 m )