supply of teflon (ptfe) ring /bushteflon (ptfe) ring /bush,teflon (ptfe) ring /bush, sodium etched .thk. 1 + 0.5mm , and width 26 + 0.5mm for ready to mount with out expansion and heat shrink fitment on seating dia 310 mm of bhel make tm 4303 by traction motor suitable for me mu coaches. brands. plastvolta/tfe/plastic products /or equivalent. sample to be approved before bulk supply. brands: plastova/tfe/plastic products note: (1) the firm should submit authorized dealership certificate or proof of purchase fro m oem along with materials for acceptance. (2) the firm should mention the make & model no. while participating in th e tender. [ warranty period: 30 months after the date of delivery ] ]