These O-rings resist grease, hydraulic oil, and motor oil—plus mild chemicals and water.
System of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :15", Fractional ID Tolerance :±0.082", Fractional OD :15 1/2", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :14.975", Actual OD :15.525", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash Number 459, Dash Number :459, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :23", Fractional ID Tolerance :±0.126", Fractional OD :23 1/2", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :22.94", Actual OD :23.49", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash Number 472, Dash Number :472, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :2 1/2", Fractional ID Tolerance :±0.017", Fractional OD :2 11/16", Fractional Width :3/32", Actual Width :0.103", Actual Width Tolerance :±0.004", Actual ID :2.487", Actual OD :2.693", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :3/32 Fractional Width, Dash Number 144, Dash Number :144, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :6", Fractional ID Tolerance :±0.035", Fractional OD :6 1/2", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :5.975", Actual OD :6.525", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash Number 437, Dash Number :437, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :6 1/4", Fractional ID Tolerance :±0.035", Fractional OD :6 3/4", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :6.225", Actual OD :6.775", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash Number 438, Dash Number :438, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :7 1/4", Fractional ID Tolerance :±0.035", Fractional OD :7 3/4", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :7.225", Actual OD :7.775", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash Number 442, Dash Number :442, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :5 1/8", Fractional ID Tolerance :±0.035", Fractional OD :5 3/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :5.109", Actual OD :5.387", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 251, Dash Number :251, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :5 1/4", Fractional ID Tolerance :±0.035", Fractional OD :5 1/2", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :5.234", Actual OD :5.512", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 252, Dash Number :252, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :5 3/8", Fractional ID Tolerance :±0.035", Fractional OD :5 5/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :5.359", Actual OD :5.637", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 253, Dash Number :253, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :5 1/2", Fractional ID Tolerance :±0.035", Fractional OD :5 3/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :5.484", Actual OD :5.762", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 254, Dash Number :254, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :5 3/4", Fractional ID Tolerance :±0.035", Fractional OD :6", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :5.734", Actual OD :6.012", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 256, Dash Number :256, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :9 1/4", Fractional ID Tolerance :±0.047", Fractional OD :9 1/2", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :9.234", Actual OD :9.512", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 271, Dash Number :271, Level :Standard,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Hard Buna-N O-Ring, Specifications Met :ASTM D2000, SAE AS568, SAE J200, Fractional ID :10", Fractional ID Tolerance :±0.047", Fractional OD :10 1/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :9.984", Actual OD :10.262", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 90A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash Number 274, Dash Number :274, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :3 mm, Actual ID :15.5 mm, Actual OD :21.5 mm, ID :15.5 mm, ID Tolerance :±0.17 mm, OD :21.5 mm, OD Tolerance :±0.35 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :3 mm Wide, 15.5 mm ID, Width :3 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :2 mm, Actual OD :4 mm, ID :2 mm, ID Tolerance :±0.13 mm, OD :4 mm, OD Tolerance :±0.1 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 2 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :4 mm, Actual OD :6 mm, ID :4 mm, ID Tolerance :±0.13 mm, OD :6 mm, OD Tolerance :±0.13 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 4 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :6 mm, Actual OD :8 mm, ID :6 mm, ID Tolerance :±0.13 mm, OD :8 mm, OD Tolerance :±0.15 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 6 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :10 mm, Actual OD :12 mm, ID :10 mm, ID Tolerance :±0.14 mm, OD :12 mm, OD Tolerance :±0.25 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 10 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :12 mm, Actual OD :14 mm, ID :12 mm, ID Tolerance :±0.17 mm, OD :14 mm, OD Tolerance :±0.25 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 12 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :14 mm, Actual OD :16 mm, ID :14 mm, ID Tolerance :±0.17 mm, OD :16 mm, OD Tolerance :±0.35 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 14 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :16 mm, Actual OD :18 mm, ID :16 mm, ID Tolerance :±0.17 mm, OD :18 mm, OD Tolerance :±0.35 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 16 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :1 mm, Actual OD :3 mm, ID :1 mm, ID Tolerance :±0.1 mm, OD :3 mm, OD Tolerance :±0.09 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 1 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :1.25 mm, Actual OD :3.25 mm, ID :1.25 mm, ID Tolerance :±0.1 mm, OD :3.25 mm, OD Tolerance :±0.09 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 1.25 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :3 mm, Actual ID :25.5 mm, Actual OD :31.5 mm, ID :25.5 mm, ID Tolerance :±0.22 mm, OD :31.5 mm, OD Tolerance :±0.45 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :3 mm Wide, 25.5 mm ID, Width :3 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :1.5 mm, Actual OD :3.5 mm, ID :1.5 mm, ID Tolerance :±0.1 mm, OD :3.5 mm, OD Tolerance :±0.09 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 1.5 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :1.8 mm, Actual OD :3.8 mm, ID :1.8 mm, ID Tolerance :±0.1 mm, OD :3.8 mm, OD Tolerance :±0.1 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 1.8 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :3.3 mm, Actual OD :5.3 mm, ID :3.3 mm, ID Tolerance :±0.13 mm, OD :5.3 mm, OD Tolerance :±0.1 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 3.3 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :3.5 mm, Actual OD :5.5 mm, ID :3.5 mm, ID Tolerance :±0.13 mm, OD :5.5 mm, OD Tolerance :±0.13 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 3.5 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :3.7 mm, Actual OD :5.7 mm, ID :3.7 mm, ID Tolerance :±0.13 mm, OD :5.7 mm, OD Tolerance :±0.13 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 3.7 mm ID, Width :1 mm, Level :Standard,
+ Add to CartSystem of Measurement :Metric, Header Primary :Oil-Resistant Buna-N O-Ring, Specifications Met :ASTM D2000, SAE J200, Actual Width :1 mm, Actual ID :5.5 mm, Actual OD :7.5 mm, ID :5.5 mm, ID Tolerance :±0.13 mm, OD :7.5 mm, OD Tolerance :±0.15 mm, Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 70A, Material :Buna-N Rubber, Header Secondary :1 mm Wide, 5.5 mm ID, Width :1 mm, Level :Standard,
+ Add to Cart