Sealing 'O' Ring , Inside Dia=20 Mm, Cross Section Dia = 3.55 Mm. To Drawing/Specifica Tion : Size Code : 35502000 As Per Is : 9975 (Part-1)/1981 Table - 1 And Material Class-A As Per Is : 9 975 (Part-2) , Appendix-A (I.E. Nitrile Butadine) [ Warranty Period: 30 Months After The Date Of Delive Ry ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]