supply of rotary bottom operated articulated lock [rotary bottom operated articulated lock lift assembles for upgraded high tensile center buffer coupler for boxn hl drg: latest sk-62724 item no. 5 6 7 16 & 17 alt-31 spec: wd-70-bd-10 rev.-4. , rotary bottom operated articulated lock lift assembles for upgraded high tensile center buffer coupler for boxn hl drg: latest sk-62724 item no. 5 6 7 16 & 17 alt-31 spec: wd-70-bd-10 re v.-4. (item description updated on 30/01/26) as per drg.no. sk-62724 item no. 5,6,7,16 & 17 specn: wd-70-bd-10 [ 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 ] ]