O-RING; INTERIOR DIAMETER: 12.37 MM; OUTER DIAMETER: 17.61 MM; THICKNESS: 2.62MM; MATERIAL: SILICONE; SHORE HARDNESS: 70 "A" + – 5; ASTM DESIGNATION: D2000-80 SAE J200: M7GE 705 A19 B37 EO16 EO36 F19 G11 EA14; PARKER S 3018-7A COMPOUND; SILICONE; RESISTANCE AT CONTINUOUS SERVICE T EMPERATURE -54°C + 232°C; SHORE HARDNESS "A" 70+- 5; STATIC USE FOR HIGH TEMPERATURES; BRAND 1: PARKER; N-PART 1: 2-112