tender for parking brake arrangement complete confirming to rdso specification no.c-k408, rev.nil. consisting of 3 items. (1) spring brake chamber faiveley drg no.017990469, ftrtil part no.799500280 or parking brake cylinder toescorts drg no.2a98416-qty-01 no. (2) parking brake lever assembly to faiveley drg no.025460725, ftrtil part no.546101000 or parking brake lever assembly to escorts drg no 3kb4325-qty-01 no. (3) quick release mechanism (along with manual release system operating tool with handle and wire rope) to faiveley drg no.025460961, ftrtil part no.546102000 or parking brake release lever along with manual release system operating tool with handle and wire rope to escorts drg no 3kb4326 & 2kb4441 qty-01 set. note: blw approved sources shall only participate in the tender or supplier offers shall be considered with valid tender specific authorisation certificate from blw source shall be submitted along with their offer