McMaster 93025K41 Oil-Resistant Buna-N O-Ring Assortment, 380 Pieces, 36 Metric Sizes

All of the O-rings in these assortments are made of Buna-N. They resist animal, vegetable, and motor oils. All have a round profile and are suitable for a wide range of static and dynamic sealing applications. Material Buna-N Rubber Cross Section Shape Round Number of Pieces 380 Number of Sizes Included 36 Includes 1.9 mm wide o-rings (2.8, 3.8, 4.8, 5.8, 6.8, 7.8, 8.8, 9.8 mm IDs) 2.4 mm wide o-rings (9.8, 10.8, 11, 11.8, 12.8, 13.8, 14.8, 15.8, 17.8, 19.8, 20.8, 21.8 mm IDs) 3.1 mm wide o-rings (24.4, 29.4 mm IDs) 3.5 mm wide o-rings (21.7, 22.1, 23.7, 24.7, 25.2, 25.7, 27.7, 28.7, 29.2, 29.7, 30.7, 31.2 mm IDs) 4.0 mm wide o-rings (14.5, 23.5 mm IDs) For Use With Animal Oils Boric Acid Butyl Alcohol Calcium Hydroxide Citric Acid Diluted Salt Solutions Ethylene Glycol Glycerin Grease Isopropyl Alcohol Mineral Oils Motor Oil Petroleum Fluids Sodium Bicarbonate Synthetic Lubricants Vegetable Oils Specifications Met ASTM D2000, JIS B 2401 Hardness Durometer 70A (Medium) Temperature Range -25° to 250° F Color Black RoHS Compliance RoHS 3 (2015/863/EU) Compliant REACH Compliance REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant DFARS Compliance Specialty Metals COTS-Exempt Country of Origin Peoples Republic of China or United States ECCN EAR99 Schedule B Number 401693.0000 USMCA Qualifying No