Overview Product Description 227303 New-No Box; Martin 6S-1-5/8 S-Flex Coupling Flange; 1-5/8"ID; . Item is New; unused; no factory packaging. Austin Surplus SKU: 227303 Location: GRG-R01-P07-S05-B-0001183 Product Videos Custom Field MPN 6S-1-5/8 Product Reviews