procurement of im-2 hand sapre parts bis specifications , stand assemly telescopic , head only , handle only , axle pin with nut , bearing single side shielded , chain with coupling , third plate , water tank , connecting rod , sealing ring , cylinder assembly ( complete unit inclusive of stainless steel plunger with nitrile rubber pump bucket. ) , cylinder body with brass liner , reducer cap for cylinder , chain bolt high tensile with lock nut bolt [ m-10 x 40 & nut m - 10 ] , hex bolt m – 12 x 20 , hex bolt m – 12 x 40 , hex. nut m – 12 , handle axle washer 4 mm thick for m – 12 bolt , upper valve assembly complete with 2 nos. nitrile rubber pump bucket and comprising of plunger yoke body, upper valve rubber seating, spacer and follower , lower valve assembly comprising of rubber seat retainer, rubber seating, check valve and check valve seat , front cover ( inspection cover ) , pump stand extension flange length 300 mm ( bis specifications is standared 15500 / 2004 ) , pump stand extension flange length 450 mm ( bis specifications is standared 15500 / 2004 ) , pump stand extension flange length 600 mm ( bis specifications is standared 15500 / 2004 )