O-RING; INTERNAL DIAMETER: 240.89 MM; OUTER DIAMETER: 247.95 MM; THICKNESS R: 3.53 MM; MATERIAL: BUNA N NITRILE; SHORE HARDNESS: SHORE 90 "A" ±5; DIMENSIONAL STANDARD SAE AS 568/ISO 3601-1; IDENTIFICATION ACCORDING TO ASTM D2 000/SAE J200 STANDARD; BLACK COLOR; TEMPERATURE RANGE FROM -55 TO 100°C; TOLERANCE ACCORDING TO DIN 3771/ISO 3601; MANUFACTURER 1: PARKER; N-PART 1: 2-272-NBR-SH90