supply of brake beam outer for 20 ton axle bogie fitted with air spring suspension arrgtbrake beam outer for 20 ton axle bogie fitted with air spring suspension arrgt,brake beam outer for 20 ton axle bogie fitted with air spring suspension arrgt. to icf d rg. no- dmu/dpc 5-3-2-504; alpha alt.- b/0 (small b by zero). brake beam complete/ arrgt. assembly to icf drg. no. -emu/m-3-2 064,alpha alt. l/3 (small l by 3) item no. -43 & icf drg. no dmu/dpc 5-3-2 -504; alpha alt-b/0(small b by zero). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]