supply of horn & axle box side liner of 4 mm thickness and horn & axle box side liner of 5 mm thickness , horn & axle box side liner of 4 mm thickness for conventional loco bogies as per rdso drg. no. skvl-057 with thickness 4 mm instead of 6 mm ( item reserved for clw approved sources) clw it em id- 2101015. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , horn & axle box side liner of 5 mm thickness thickness for conventional loco bogies as p er rdso drg. no. skvl-057 with thickness 5 mm instead of 6 mm ( item reserved for clw approved source s) clw item ld- 2101015. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]