supply of set of main gear assembly for irs electric point machine 220 mmthrow (shop no.06) , set of main gear assembly for irs electric point machine 220 mmthrow as per specification no. irs-s:24-2025 rev-3.details as per annexure- ii. only valid iso-9001 (qms) certified firms to quote. siz e 3 inch sample piece of the original material of drive rod, lock rod, threaded rod, detector rod, main gear, lock pawl, shaft rack pinion, driving pinion, bush, r.h. helical spring, cover, top/bottom, bracket,ring& m etallic liner to be provided for testing as per is:1875, is:2062,is:1865,is:1875,is:3980,is:4454 & is:210.war ranty period: upto 30 months from the date of supply.(shop no.06) [ warranty period: 30 months after t he date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]