O-RING; INTERIOR DIAMETER: 36.17 MM; OUTER DIAMETER: 41.41 MM; THICKNESS: 2.62MM; MATERIAL: BUNA N NITRILE; SHORE HARDNESS: SHORE 90 "A" ±5; ACCORDING TO ASTM D2000-70B STANDARD; CLASSIFICATION 3CH915B34E16E36; CHARACTERISTICS AND TESTS: ACCORDING TO IRAM STANDARDS 113082 AND 113087 FOR RA AND COMPRESSED AIR. MINERALS, PETROLEUM DERIVATIVES, WATER DIMENSIONAL STANDARD SAE AS 568/ISO 3601-1; IDENTIFICATION ACCORDING TO ASTM D2000/SAE J200 STANDARD; BLACK COLOR; TEMPERATURE RANGE FROM -55 TO 100°C; TOLERANCE ACCORDING TO DIN 3771/ISO 3601; BRAND 1: PARKER; N-PART 1: 2 -127-NBR-SH90