supply of over hauling kit for parking brake of rotex type etc. , over hauling kit for parking brake of rotex magnet valve, model no. 3325, o ne set consisting of 11 items having 24 nos., as given below, make rotex .1) piston o rin g - 2 nos. 2) seat o ring - 2 nos. 3) guid o ring -2 nos. 4) venti lshaft o ring - 2 nos. 5) sle eve o ring a - 2 nos. 6) sleeve o ring b- 2 nos. . 7) coupling flange o ring - 4 nos. 8) bush o ring - 2 nos. 9) m.a. o ring -2 nos. 10) plunger assembly- 2 nos. 11) coil gasket-2 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]