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Buna-N O-Rings

7 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 - 2mm Wide x 135mm ID - Pack of 5 2 mm 135 mm 139 mm
$7.33 / pack of 5
Buna-N O-Ring - 2mm Wide x 135mm ID - Pack of 5
Buna-N O-Ring - 2mm Wide x 135mm ID - Pack of 5
Brand USA Sealing
Item # AA0824
Mfr. Model # ZUSAH2X135
View Product Details
$7.33 / pack of 5

Expected to ship Mon. Jun 10
Buna-N O-Ring - 2.5mm Wide x 135mm ID - Pack of 5 2.5 mm 135 mm 140 mm
$8.10 / pack of 5
Buna-N O-Ring - 2.5mm Wide x 135mm ID - Pack of 5
Buna-N O-Ring - 2.5mm Wide x 135mm ID - Pack of 5
Brand USA Sealing
Item # AA1024
Mfr. Model # ZUSAH2.5X135
View Product Details
$8.10 / pack of 5

Expected to ship Wed. Jun 05
Buna-N O-Ring - 3mm Wide x 135mm ID - Pack of 5 3 mm 135 mm 141 mm
$7.88 / pack of 10
Buna-N O-Ring - 3mm Wide x 135mm ID - Pack of 5
Buna-N O-Ring - 3mm Wide x 135mm ID - Pack of 5
Brand USA Sealing
Item # AA1243
Mfr. Model # ZUSAH3X135
View Product Details
$7.88 / pack of 10

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3.5mm Wide x 135mm ID - Pack of 2 3.5 mm 135 mm 142 mm
$10.00 / pack of 2
Buna-N O-Ring - 3.5mm Wide x 135mm ID - Pack of 2
Buna-N O-Ring - 3.5mm Wide x 135mm ID - Pack of 2
Brand USA Sealing
Item # AA1452
Mfr. Model # ZUSAH3.5X135
View Product Details
$10.00 / pack of 2

Expected to ship Tue. Apr 30
Buna-N O-Ring - 4mm Wide x 135mm ID - Pack of 2 4 mm 135 mm 143 mm
$6.55 / pack of 2
Buna-N O-Ring - 4mm Wide x 135mm ID - Pack of 2
Buna-N O-Ring - 4mm Wide x 135mm ID - Pack of 2
Brand USA Sealing
Item # AA1652
Mfr. Model # ZUSAH4X135
View Product Details
$6.55 / pack of 2

Expected to ship Tue. Apr 30
Buna-N O-Ring - 5mm Wide x 135mm ID - Pack of 5 5 mm 135 mm 145 mm
$9.95 / pack of 5
Buna-N O-Ring - 5mm Wide x 135mm ID - Pack of 5
Buna-N O-Ring - 5mm Wide x 135mm ID - Pack of 5
Brand USA Sealing
Item # AA1840
Mfr. Model # ZUSAH5X135
View Product Details
$9.95 / pack of 5

Expected to ship Tue. Apr 30
Buna-N O-Ring - 6mm Wide x 135mm ID - Pack of 2 6 mm 135 mm 147 mm
$8.43 / pack of 2
Buna-N O-Ring - 6mm Wide x 135mm ID - Pack of 2
Buna-N O-Ring - 6mm Wide x 135mm ID - Pack of 2
Brand USA Sealing
Item # AA2074
Mfr. Model # ZUSAH6X135
View Product Details
$8.43 / pack of 2

Expected to ship Tue. Apr 30
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  1. Inner Diameter - Actual
    135 mm
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Cross Section - Actual
  1. 2 mm 1 item
  2. 2.5 mm 1 item
  3. 3 mm 1 item
  4. 3.5 mm 1 item
  5. 4 mm 1 item
  6. 5 mm 1 item
  7. 6 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
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  25. 0.864" 1 item
  26. 0.912" 2 items
  27. 0.926" 1 item
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  29. 0.989" 2 items
  30. 1.037" 2 items
  31. 1.049" 1 item
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  35. 1.162" 2 items
  36. 1.171" 1 item
  37. 1.174" 2 items
  38. 1.176" 2 items
  39. 1.225" 2 items
  40. 1.234" 1 item
  41. 1.237" 2 items
  42. 1.239" 2 items
  43. 1.287" 2 items
  44. 1.296" 1 item
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  50. 1.725" 1 item
  51. 1.85" 2 items
  52. 1.859" 1 item
  53. 1.862" 1 item
  54. 1.925" 1 item
  55. 1.975" 2 items
  56. 2.05" 1 item
  57. 2.1" 2 items
  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
  64. 2.737" 1 item
  65. 2.85" 2 items
  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
  72. 3.484" 1 item
  73. 3.6" 2 items
  74. 3.725" 2 items
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  77. 3.975" 2 items
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  79. 4.1" 2 items
  80. 4.225" 2 items
  81. 4.35" 2 items
  82. 4.359" 1 item
  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
  88. 4.85" 2 items
  89. 4.975" 2 items
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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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  117. 9.475" 2 items
  118. 9.487" 1 item
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  128. 15.955" 3 items
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  135. 22.94" 2 items
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  139. 1.25 mm 1 item
  140. 1.8 mm 4 items
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  237. 28 mm 13 items
  238. 28.5 mm 2 items
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  242. 30 mm 11 items
  243. 30.5 mm 2 items
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  278. 44 mm 10 items
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  281. 45 mm 11 items
  282. 45.7 mm 1 item
  283. 45.84 mm 1 item
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  285. 46.2 mm 2 items
  286. 47 mm 7 items
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  289. 48 mm 10 items
  290. 48.7 mm 2 items
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  400. 135 mm 7 items
  401. 136 mm 4 items
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  403. 138 mm 3 items
  404. 139.5 mm 1 item
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  424. 169.3 mm 1 item
  425. 169.5 mm 2 items
  426. 170 mm 6 items
  427. 174 mm 2 items
  428. 174.2 mm 1 item
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  454. 229.3 mm 1 item
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  471. 279.3 mm 1 item
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  496. 387 mm 2 items
  497. 399.5 mm 1 item
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  500. 630 mm 1 item
Outer Diameter - Actual
  1. 139 mm 1 item
  2. 140 mm 1 item
  3. 141 mm 1 item
  4. 142 mm 1 item
  5. 143 mm 1 item
  6. 145 mm 1 item
  7. 147 mm 1 item