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Buna-N O-Rings

4 products

Buna-N O-Rings, sometimes called Nitrile O-Rings or NBR O-Rings, are resistant to oils, fuels, and greases – plus mild chemicals and water. Buna-N is a tough and durable material with good resistance to abrasion, compression, and tearing. It is a multipurpose material with broad ranging application coverage.

Product name Dash Size Cross Section - Actual Inner Diameter - Actual Outer Diameter - Actual Specifications Met Price
Buna-N O-Ring - 2.5mm Wide x 136mm ID - Pack of 5 2.5 mm 136 mm 141 mm
$8.10 / pack of 5
Buna-N O-Ring - 2.5mm Wide x 136mm ID - Pack of 5
Buna-N O-Ring - 2.5mm Wide x 136mm ID - Pack of 5
Brand USA Sealing
Item # AA1025
Mfr. Model # ZUSAH2.5X136
View Product Details
$8.10 / pack of 5

Expected to ship Mon. Jun 10
Buna-N O-Ring - 3mm Wide x 136mm ID - Pack of 5 3 mm 136 mm 142 mm
$7.83 / pack of 10
Buna-N O-Ring - 3mm Wide x 136mm ID - Pack of 5
Buna-N O-Ring - 3mm Wide x 136mm ID - Pack of 5
Brand USA Sealing
Item # AA1244
Mfr. Model # ZUSAH3X136
View Product Details
$7.83 / pack of 10

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3.55mm Wide x 136mm ID - Pack of 2 3.55 mm 136 mm 143.1 mm
$6.78 / pack of 2
Buna-N O-Ring - 3.55mm Wide x 136mm ID - Pack of 2
Buna-N O-Ring - 3.55mm Wide x 136mm ID - Pack of 2
Brand USA Sealing
Item # AA1520
Mfr. Model # ZUSAH3.55X136
View Product Details
$6.78 / pack of 2

Expected to ship Tue. Apr 30
Buna-N O-Ring - 5.3mm Wide x 136mm ID - Pack of 2 5.3 mm 136 mm 146.6 mm
$8.55 / pack of 2
Buna-N O-Ring - 5.3mm Wide x 136mm ID - Pack of 2
Buna-N O-Ring - 5.3mm Wide x 136mm ID - Pack of 2
Brand USA Sealing
Item # AA1922
Mfr. Model # ZUSAH5.3X136
View Product Details
$8.55 / pack of 2

Expected to ship Tue. Apr 30
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  1. Inner Diameter - Actual
    136 mm
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Cross Section - Actual
  1. 2.5 mm 1 item
  2. 3 mm 1 item
  3. 3.55 mm 1 item
  4. 5.3 mm 1 item
Inner Diameter - Actual
  1. 0.056" 2 items
  2. 0.07" 2 items
  3. 0.174" 2 items
  4. 0.206" 2 items
  5. 0.208" 1 item
  6. 0.237" 2 items
  7. 0.239" 1 item
  8. 0.296" 1 item
  9. 0.299" 2 items
  10. 0.412" 2 items
  11. 0.421" 2 items
  12. 0.475" 2 items
  13. 0.484" 2 items
  14. 0.537" 2 items
  15. 0.546" 2 items
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  18. 0.662" 2 items
  19. 0.671" 2 items
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  22. 0.725" 2 items
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  56. 2.05" 1 item
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  58. 2.225" 2 items
  59. 2.35" 2 items
  60. 2.475" 2 items
  61. 2.6" 2 items
  62. 2.612" 1 item
  63. 2.725" 2 items
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  66. 2.862" 1 item
  67. 2.975" 2 items
  68. 3.1" 2 items
  69. 3.225" 2 items
  70. 3.35" 2 items
  71. 3.475" 2 items
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  83. 4.475" 2 items
  84. 4.487" 1 item
  85. 4.6" 2 items
  86. 4.725" 2 items
  87. 4.739" 1 item
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  92. 5.1" 2 items
  93. 5.225" 2 items
  94. 5.239" 1 item
  95. 5.35" 2 items
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  139. 1.25 mm 1 item
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  285. 46.2 mm 2 items
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  427. 174 mm 2 items
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  454. 229.3 mm 1 item
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Outer Diameter - Actual
  1. 141 mm 1 item
  2. 142 mm 1 item
  3. 143.1 mm 1 item
  4. 146.6 mm 1 item