supply of spare parts of deep well hand pump india mark ii conforming to is 9301 1990 with latest amendment may be read along with ist amendment with latest amendment for spares of india mark ii respectively under dws division no 2 giridih , pump head assembly ( g . i ) front couver bolt & 3rd plate , handle assembly ( g . i ) , ball bearing 6204 z , nr cup washer bucket for im ii / iii , chain with coupling , handle axle ( s . s ) , nr sealing ring for i m ii / iii , nr sealing ring big ii , nr sealing ring small ii , hexagonal nut ( m12x1 . 75 ) mm , hexagonal bolt ( m12x1 . 75x40mm ) , cylinder assembly complete set i . m . ii , upper valve assembly for i . m . ii , lower valve assembly for i . m . ii , hexagonal rod coupling m12x1 . 75x50mm ) , reducer cap cylinder for im-ii , high tensile bolt ( m10x1 . 50x40mm ) long , nyloc nut m10x1 . 5mm , upper valve guide ( g . m ) im ii , hexagonal bolt front cover ( m12x1 . 75mmx20mm ) long , plunger rod ( s . s ) im ii , rubber set retainer im ii , washer m12 ( 2 . 5mm ) , spacer for handle , connecting rod 3 mtr long with coupling , cylinder body im ii with cap , front cover g . i , 32mm dia g . i socket , 12% gst , labour cess