O-RING; INTERNAL DIAMETER: 342.27 MM; OUTER DIAMETER: 356.25 MM; THICKNESS R: 6.99 MM; MATERIAL: BUNA "N" NITRILE; SHORE HARDNESS: 70 "A"; CIRCULAR SECTION TORICS. ACCORDING TO ASTM D2000-70B STANDARD. CLASSIFICATION 3CH720-A2 5 B14 E16 E36. CHARACTERISTICS AND TESTS: ACCORDING TO IRAM STANDARDS 113082 AND 113 087. NOTE: TOLERANCE FOR CORD DIAMETER 6.99 (+/-0.15). APPLICATIONS: STATIC AND DYNAMIC USE OF SWINGS; HYDRAULIC OR PNEUMATIC FOR COMPRESSED AIR. ADMISSIBLE TEMPERATURES IN CONTINUOUS SERVICES: -40º C TO 12 1º C.; FLUID FOR MINERAL OILS, DERIVED FROM PETROLEUM, WATER AND FREON 12; MANUFACTURER 1: PARKER; N-PART 1: 2-456-NBR-SH7