O-RING; INTERNAL DIAMETER: 12.37 MM; OUTER DIAMETER: 17.61 MM; THICKNESS: 2.62 MM; MATERIAL: BUNA N NITRILE; SHORE HARDNESS: SHORE 90 "A" ±5; ACCORDING TO ASTM D2000-70B STANDARD; CLASSIFICATION 3CH915B34E16E36; CHARACTERISTICS AND TESTS: ACCORDING TO IRAM 113082 AND 113087 STANDARDS FOR AND COMPRESSED AIR. MINE RALS, OIL DERIVATIVES, WATER. DIMENSIONAL STANDARD SAE AS 568/ISO 360 1-1; IDENTIFICATION ACCORDING TO ASTM D2000/SAE J200 STANDARD; BLACK COLOR; TEMPERATURE RANGE FROM -55 TO 100°C; TOLERANCE ACCORDING TO DIN 3771/ISO 3601. (OTHER BRANDS APPROVED ONLY FOR TENARISTAMSA: ANGST PFISTER MODEL OR 3050; BRAND: MERKEL).; MANUFACTURER 1: PARKER; N-PART 1: 2-112-NBR-SH90