O-RING; INTERNAL DIAMETER: 4.5 MM; EXTERNAL DIAMETER: 805 MM; THICKNESS: 4.5MM; MATERIAL: FPM (VITON); SHORE HARDNESS: 75 A; DRAWING NUMBER: K5 7357; ITEMS 13/14; BULK O-RING TYPE: SECTIONAL CORD SIZE: 4.5MM LENGTH: 25FT MATERIAL: FPM: BULK O-RING MATERIAL AND GASKET CORD