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 5/8", Fractional ID Tolerance :±0.026", Fractional OD :4", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :3.6", Actual OD :4.02", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 342,-20° to 250°F, Dash Number :342, 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 1/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :3.725", Actual OD :4.145", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 343,-20° to 250°F, Dash Number :343, 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 1/4", Fractional ID Tolerance :±0.035", Fractional OD :5 5/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :5.225", Actual OD :5.645", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 355,-20° to 250°F, Dash Number :355, 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 3/8", Fractional ID Tolerance :±0.035", Fractional OD :5 3/4", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :5.35", Actual OD :5.77", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 356,-20° to 250°F, Dash Number :356, 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 1/2", Fractional ID Tolerance :±0.035", Fractional OD :5 7/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :5.475", Actual OD :5.895", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 357,-20° to 250°F, Dash Number :357, 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 :6", Fractional ID Tolerance :±0.035", Fractional OD :6 3/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :5.975", Actual OD :6.395", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 361,-20° to 250°F, Dash Number :361, 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 :6 1/2", Fractional ID Tolerance :±0.035", Fractional OD :6 7/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :6.475", Actual OD :6.895", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 363,-20° to 250°F, Dash Number :363, 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 :8 3/4", Fractional ID Tolerance :±0.047", Fractional OD :9 1/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :8.725", Actual OD :9.145", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 372,-20° to 250°F, Dash Number :372, 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 :9", Fractional ID Tolerance :±0.047", Fractional OD :9 3/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :8.975", Actual OD :9.395", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 373,-20° to 250°F, Dash Number :373, 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 :9 3/4", Fractional ID Tolerance :±0.047", Fractional OD :10 1/8", Fractional Width :3/16", Actual Width :0.21", Actual Width Tolerance :±0.005", Actual ID :9.725", Actual OD :10.145", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :3/16 Fractional Width, Dash No. 376,-20° to 250°F, Dash Number :376, 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 :5 1/8", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :4.6", Actual OD :5.15", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash No. 426,-20° to 250°F, Dash Number :426, 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 1/4", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :4.725", Actual OD :5.275", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash No. 427,-20° to 250°F, Dash Number :427, 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 1/4", Fractional ID Tolerance :±0.035", Fractional OD :5 3/4", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :5.225", Actual OD :5.775", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash No. 431,-20° to 250°F, Dash Number :431, 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 :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 65A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash No. 438,-20° to 250°F, Dash Number :438, 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 :6 1/2", Fractional ID Tolerance :±0.035", Fractional OD :7", Fractional Width :1/4", Actual Width :0.275", Actual Width Tolerance :±0.005", Actual ID :6.475", Actual OD :7.025", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/4 Fractional Width, Dash No. 439,-20° to 250°F, Dash Number :439, 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 :1/8", Fractional ID Tolerance :±0.005", Fractional OD :1/4", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.114", Actual OD :0.254", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 006,-20° to 250°F, Dash Number :006, 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 :5/32", Fractional ID Tolerance :±0.005", Fractional OD :9/32", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.145", Actual OD :0.285", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 007,-20° to 250°F, Dash Number :007, 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 :3/16", Fractional ID Tolerance :±0.005", Fractional OD :5/16", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.176", Actual OD :0.316", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 008,-20° to 250°F, Dash Number :008, 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 :7/32", Fractional ID Tolerance :±0.005", Fractional OD :11/32", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.208", Actual OD :0.348", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 009,-20° to 250°F, Dash Number :009, 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 :3/8", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.239", Actual OD :0.379", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 010,-20° to 250°F, Dash Number :010, 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 :7/16", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.301", Actual OD :0.441", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 011,-20° to 250°F, Dash Number :011, 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 :1/2", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.364", Actual OD :0.504", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 012,-20° to 250°F, Dash Number :012, 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 :7/16", Fractional ID Tolerance :±0.007", Fractional OD :9/16", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.426", Actual OD :0.566", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 013,-20° to 250°F, Dash Number :013, 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 :5/8", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :0.489", Actual OD :0.629", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 014,-20° to 250°F, Dash Number :014, 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 7/16", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.301", Actual OD :1.441", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 027,-20° to 250°F, Dash Number :027, 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 1/2", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.364", Actual OD :1.504", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 028,-20° to 250°F, Dash Number :028, 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 5/8", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.489", Actual OD :1.629", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 029,-20° to 250°F, Dash Number :029, 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 5/8", Fractional ID Tolerance :±0.014", Fractional OD :1 3/4", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.614", Actual OD :1.754", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 030,-20° to 250°F, Dash Number :030, 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 3/4", Fractional ID Tolerance :±0.014", Fractional OD :1 7/8", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.739", Actual OD :1.879", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 031,-20° to 250°F, Dash Number :031, 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 7/8", Fractional ID Tolerance :±0.014", Fractional OD :2", Fractional Width :1/16", Actual Width :0.07", Actual Width Tolerance :±0.003", Actual ID :1.864", Actual OD :2.004", Color :Black, Temperature Range :-20° to 250° F, Hardness :Durometer 65A, Material :Buna-N Rubber, Header Secondary :1/16 Fractional Width, Dash No. 032,-20° to 250°F, Dash Number :032, Level :Mil.Spec,
+ Add to Cart