supply miscellaneous materials ( ms hexagonal bolt, cast iron nipple 150mm dia, ms heavy duty hose clamp 150mm dia, rubber insertion 150mm dia, c type alfa-alfa valve 150mm dia, weight & spindle, foot valve 150 mm dia ) under jhargram-i ( a-m ) sub-division within midnapore ( a-m ) division under non-plan programme 2022-23.-1 supply of best quality ms hexagonal headed bolts & nuts 1 / 4 x 1.5 long ( 3213 nos in 50 kg as per bs 916, as per bs 916 & bs 3410 with latest ammendments with washer ) . 2 supply of cast iron nipple 150mm dia one end flange & other end grooved having 8 nos drilled hole in the flange side & 7 nos grooved in the other side overall length ( 175+15 ) with 3 coat anticorrosive paint on outer surface ( as per sample ) 3 supply of best quality ms heavy duty hose clamp 150 mm dia 2 / 5 mm thickness 45 mm width fitted with nut & bolt ( as per sample ) 4 rubber insertion ( for raised surface of flange as per is 6392 ) 150mm dia ( t-17 ) as per sample 5 supply of 150mm dia c type alfa-alfa valve 6 supply of weight & spindle for c type alfa-alfa valve 6. 7 supply of foot valve 150mm dia ( flanged type ) conforming with latest amendments is 4038 / 1986.