Tenders for Supply of Sealing Ring Gasket Between Body And Cover Of Coupling Socket Assembly 500Amps, 750V, 3 Pha Se As Per Rdso Specn. No. Rdso/Pe/Spec/Ac-0177/2018 Rev-1. Note: 1. Material To Be Procured From Rds O Approved Sources Only. 2. One Sample To Be Got Approved Before Effecting Bulk Supply. Warranty Period: 30 Months After The Date Of Delivery