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Buna-N O-Rings

2 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 - Dash 329 - Pack of 50 329 0.210" 1.975" 2.395"
$15.53 / pack of 50
Buna-N O-Ring - Dash 329 - Pack of 50
Buna-N O-Ring - Dash 329 - Pack of 50
Brand USA Sealing
Item # AA0238
Mfr. Model # ZUSAH70329
View Product Details
$15.53 / pack of 50

Expected to ship Tue. Jun 11
Buna-N O-Ring - Dash 405 - Pack of 5 405 0.275" 1.975" 2.525"
$6.17 / pack of 5
Buna-N O-Ring - Dash 405 - Pack of 5
Buna-N O-Ring - Dash 405 - Pack of 5
Brand USA Sealing
Item # AA0306
Mfr. Model # ZUSAH70405
View Product Details
$6.17 / pack of 5

Expected to ship Tue. Jun 11
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  1. Inner Diameter - Actual
    1.975"
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Dash Size
  1. 329 1 item
  2. 405 1 item
Cross Section - Actual
  1. 0.210" 1 item
  2. 0.275" 1 item
Cross Section - Fractional
  1. 3/16" 1 item
  2. 1/4" 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
  16. 0.609" 2 items
  17. 0.612" 1 item
  18. 0.662" 2 items
  19. 0.671" 2 items
  20. 0.674" 1 item
  21. 0.676" 1 item
  22. 0.725" 2 items
  23. 0.787" 2 items
  24. 0.799" 1 item
  25. 0.864" 1 item
  26. 0.912" 2 items
  27. 0.926" 1 item
  28. 0.975" 2 items
  29. 0.989" 2 items
  30. 1.037" 2 items
  31. 1.049" 1 item
  32. 1.051" 2 items
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  35. 1.162" 2 items
  36. 1.171" 1 item
  37. 1.174" 2 items
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  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
  45. 1.299" 2 items
  46. 1.350" 1 item
  47. 1.421" 1 item
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  49. 1.674" 1 item
  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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  76. 3.85" 2 items
  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
  90. 4.984" 1 item
  91. 4.987" 1 item
  92. 5.1" 2 items
  93. 5.225" 2 items
  94. 5.239" 1 item
  95. 5.35" 2 items
  96. 5.359" 1 item
  97. 5.475" 2 items
  98. 5.6" 2 items
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  110. 7.475" 3 items
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  112. 7.975" 2 items
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  115. 8.984" 1 item
  116. 9.234" 1 item
  117. 9.475" 2 items
  118. 9.487" 1 item
  119. 9.975" 2 items
  120. 9.984" 1 item
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  122. 10.975" 2 items
  123. 11.475" 2 items
  124. 11.975" 2 items
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  128. 15.955" 3 items
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  139. 1.25 mm 1 item
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  427. 174 mm 2 items
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  454. 229.3 mm 1 item
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  475. 289.3 mm 1 item
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  497. 399.5 mm 1 item
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 2.395" 1 item
  2. 2.525" 1 item
Outer Diameter - Fractional
  1. 2-3/8" 1 item
  2. 2-1/2" 1 item