supply of hanger for bogie bolster suspension. drawing no. : icf drg. no. t-0-5-639, alt. g / 11. material and specification : rdsos str no. c-k105 (rev. 1 of july 2014)hanger for bogie bolster suspension. drawing no. : icf drg. no. t-0-5-639, alt. g / 11. material and specification : rdsos str no. c-k105 (rev. 1 of july 2014),hanger for bogie bolster suspension. drawing no. : icf drg. no. t-0-5-639, alt. g / 11. m aterial and specification : rdsos str no. c-k105 (rev. 1 of july 2014) [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]