supply of set of maintenance kit for unloader exhaust assly as per m/s. ftrtipl part no.790002215.set of maintenance kit for unloader exhaust assly as per m/s. ftrtipl part no.790002215.,set of maintenance kit for unloader exhaust assly as per m/s. ftrtipl part no.79000221 5. (1) valve stem assembly ftrtipl no.002120000, qty. per set- 02 nos. (2) o- ring (id - 28.17 x wi dth - 3.53) ftrtipl no. 003703500a, qty. per set- 02 nos. (3) gasket ftrtipl no.001713500, qty. pe r set - 02 nos. (4) spring, ftrtipl part no.002832000, qty. - 02 nos. (set consisting of 4 items in 8 nos . per set) [ 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 ] ]