tender for side frame key (for cartg.r.b.) for narrow jaw. drg.no:-sk-69594,alt.36, item no.-6,warranty: for a period of 30 months from the date of manufacturing or 24 months from the date of fitment/commissioning , which ever is earlier. alt. no.-36 and rdsos specn.no. wd-21-casnub-22nlbbogie-93 (rev.-2) of july2002 with 4 amendments- amendment no.4 issued on feb2010. asper drg.no. sk-69594 alt-34 item no-6 specn: sk-69594 alt-34 item no-6 .