These O-rings resist grease, hydraulic oil, and motor oil—plus mild chemicals and water.
System of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 1/4", Fractional ID Tolerance :±0.021", Fractional OD :3 7/16", Fractional Width :3/32", Actual Width :0.103", Actual Width Tolerance :±0.004", Actual ID :3.237", Actual OD :3.443", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/32 Fractional Width, Dash No. 152,-20° to 250°F, Dash Number :152, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 1/2", Fractional ID Tolerance :±0.026", Fractional OD :3 11/16", Fractional Width :3/32", Actual Width :0.103", Actual Width Tolerance :±0.004", Actual ID :3.487", Actual OD :3.693", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/32 Fractional Width, Dash No. 153,-20° to 250°F, Dash Number :153, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :4 1/4", Fractional ID Tolerance :±0.026", Fractional OD :4 7/16", Fractional Width :3/32", Actual Width :0.103", Actual Width Tolerance :±0.004", Actual ID :4.237", Actual OD :4.443", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/32 Fractional Width, Dash No. 156,-20° to 250°F, Dash Number :156, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :5", Fractional ID Tolerance :±0.035", Fractional OD :5 3/16", Fractional Width :3/32", Actual Width :0.103", Actual Width Tolerance :±0.004", Actual ID :4.987", Actual OD :5.193", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/32 Fractional Width, Dash No. 159,-20° to 250°F, Dash Number :159, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1/4", Fractional ID Tolerance :±0.005", Fractional OD :1/2", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :0.234", Actual OD :0.512", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 202,-20° to 250°F, Dash Number :202, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :5/16", Fractional ID Tolerance :±0.006", Fractional OD :9/16", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :0.296", Actual OD :0.574", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 203,-20° to 250°F, Dash Number :203, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3/8", Fractional ID Tolerance :±0.006", Fractional OD :5/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :0.359", Actual OD :0.637", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 204,-20° to 250°F, Dash Number :204, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1/2", Fractional ID Tolerance :±0.007", Fractional OD :3/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :0.484", Actual OD :0.762", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 206,-20° to 250°F, Dash Number :206, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :5/8", Fractional ID Tolerance :±0.007", Fractional OD :7/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :0.609", Actual OD :0.887", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 208,-20° to 250°F, Dash Number :208, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1 1/4", Fractional ID Tolerance :±0.012", Fractional OD :1 1/2", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :1.234", Actual OD :1.512", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 218,-20° to 250°F, Dash Number :218, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1 5/16", Fractional ID Tolerance :±0.012", Fractional OD :1 9/16", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :1.296", Actual OD :1.574", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 219,-20° to 250°F, Dash Number :219, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1 3/8", Fractional ID Tolerance :±0.012", Fractional OD :1 5/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :1.359", Actual OD :1.637", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 220,-20° to 250°F, Dash Number :220, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1 7/16", Fractional ID Tolerance :±0.012", Fractional OD :1 11/16", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :1.421", Actual OD :1.699", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 221,-20° to 250°F, Dash Number :221, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :1 1/2", Fractional ID Tolerance :±0.012", Fractional OD :1 3/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :1.484", Actual OD :1.762", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 222,-20° to 250°F, Dash Number :222, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3", Fractional ID Tolerance :±0.021", Fractional OD :3 1/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :2.984", Actual OD :3.262", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 234,-20° to 250°F, Dash Number :234, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 1/8", Fractional ID Tolerance :±0.021", Fractional OD :3 3/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.109", Actual OD :3.387", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 235,-20° to 250°F, Dash Number :235, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 1/4", Fractional ID Tolerance :±0.021", Fractional OD :3 1/2", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.234", Actual OD :3.512", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 236,-20° to 250°F, Dash Number :236, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 3/8", Fractional ID Tolerance :±0.026", Fractional OD :3 5/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.359", Actual OD :3.637", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 237,-20° to 250°F, Dash Number :237, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 1/2", Fractional ID Tolerance :±0.026", Fractional OD :3 3/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.484", Actual OD :3.762", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 238,-20° to 250°F, Dash Number :238, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 5/8", Fractional ID Tolerance :±0.026", Fractional OD :3 7/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.609", Actual OD :3.887", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 239,-20° to 250°F, Dash Number :239, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 3/4", Fractional ID Tolerance :±0.026", Fractional OD :4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.734", Actual OD :4.012", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 240,-20° to 250°F, Dash Number :240, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3 7/8", Fractional ID Tolerance :±0.026", Fractional OD :4 1/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :3.859", Actual OD :4.137", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 241,-20° to 250°F, Dash Number :241, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :4 3/8", Fractional ID Tolerance :±0.026", Fractional OD :4 5/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :4.359", Actual OD :4.637", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 245,-20° to 250°F, Dash Number :245, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :4 5/8", Fractional ID Tolerance :±0.026", Fractional OD :4 7/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :4.609", Actual OD :4.887", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 247,-20° to 250°F, Dash Number :247, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :4 3/4", Fractional ID Tolerance :±0.026", Fractional OD :5", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :4.734", Actual OD :5.012", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 248,-20° to 250°F, Dash Number :248, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :4 7/8", Fractional ID Tolerance :±0.035", Fractional OD :5 1/8", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :4.859", Actual OD :5.137", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 249,-20° to 250°F, Dash Number :249, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :5", Fractional ID Tolerance :±0.035", Fractional OD :5 1/4", Fractional Width :1/8", Actual Width :0.139", Actual Width Tolerance :±0.004", Actual ID :4.984", Actual OD :5.262", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 250,-20° to 250°F, Dash Number :250, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, 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 65A, Material :Buna-N Rubber, Header Secondary :1/8 Fractional Width, Dash No. 251,-20° to 250°F, Dash Number :251, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :3/4", Fractional ID Tolerance :±0.007", Fractional OD :1 1/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :0.725", Actual OD :1.145", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 314,-20° to 250°F, Dash Number :314, Level :Mil.Spec,
+ Add to CartSystem of Measurement :Inch, Header Primary :Oil-Resistant Mil. Spec. Buna-N O-Ring, Specifications Met :ASTM D2000, MIL-I-45208, SAE AS3578, SAE AS568, SAE J200, Fractional ID :15/16", Fractional ID Tolerance :±0.009", Fractional OD :1 5/16", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :0.912", Actual OD :1.332", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 317,-20° to 250°F, Dash Number :317, Level :Mil.Spec,
+ Add to Cart