supply of adjuster nut bush (oilon) , adjuster nut for 11 bogie mounted brake cylinder (escorts design) of air brake wagons confi rming to escorts drg.no-4eb6206 specification:- 1. as per rdso specification no. wd-23-bmbs- 2008 (rev. 1) with amend. 1 of sept.2016 or latest 2.escorts design and escorts drg.no-3eb7347 alt.-09 & 3eb7348 al t.-10 or latest [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , bush (oilon) to escorts part no. 4eb7715. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]