O-RING; INTERNAL DIAMETER: 53.34 MM; OUTER DIAMETER: 64 MM; THICKNESS: 5. 33MM; MATERIAL: BUNA "N" NITRILE; SHORE HARDNESS: 70 "A"; CIRCULAR SECTION TORICS. ACCORDING TO ASTM D2000-70B STANDARD. CLASSIFICATION 3CH720-A25 B14 E16 E36. CHARACTERISTICS AND TESTS: ACCORDING TO IRAM 113082 AND 113087 STANDARDS. NOTE: TOLERANCE FOR CORD DIAMETER 5.33 (+/-0.13). APPLICATIONS: STATIC AND DYNAMIC USE OF VAIVEN; HYDRAULIC OR PNEUMATIC FOR COMPRESSED AIR. ADMISSIBLE TEMPERATURES IN CONTINUOUS SERVICES: -40º C TO 121º C.; FLUID FOR MINERAL OILS, DERIVED FROM PETROLEUM, WATER AND FREON 12; MANUFACTURER 1: PARKER; N-PART 1: 2-330-NBR-SH70