nit4 ( memo no - 146 / dgp dt. - 23 / 04 / 2022 ) 3rd call procurement of tubewell material , barrel ( weight-7.5-8 kg. / each ) [ kamal maya ] . , full pump set ( wt.-20 kg. / each ) [ kamal maya ] . , head cover ( wt.- 2.50 kg. / each ) [ kamal maya ] , handle ( wt. at least 2.75 kg / each ) ( phe / kamal maya ) . , long socket ( 1.5 inch dia 6 inch length ) [ tata ] . , piston rod ( 10 mm dia. & length 18 ) round [ kamal maya ] . , washer poly ( tata / elephant ) . , check valve ( leather- bata-red / mlp ) . , weight ( best quality ) . , nylone net ( 18 inch wide ) . , m.s. clamp for setting tube well base ( wt.- 800 gm. ) . , nipple ( 1.5x40 both side nickleing galvanised ) [ tata ] . , p.v.c pipe 1.5 inch dia. ( wt.- 40-42 kg. / 300 ft. roll ) [ baba ] . , base plate ( wt.-2.5-2.75 kg / piece ) [ kamal maya ] . , plunger ( weight- 0.80 kg. ) [ kamal maya ] . , head nut with bolt ( length- 4 ) long threaded. , base nut with bolt ( length-3 ) long threaded. , handle nut with bolt ( length- 4 ) . , nylone rope per lachhi