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Buna-N O-Rings

11 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 - 1mm Wide x 50mm ID - Pack of 10 1 mm 50 mm 52 mm
$6.50 / pack of 10
Buna-N O-Ring - 1mm Wide x 50mm ID - Pack of 10
Buna-N O-Ring - 1mm Wide x 50mm ID - Pack of 10
Brand USA Sealing
Item # AA0448
Mfr. Model # ZUSAH1X50
View Product Details
Price
$6.50 / pack of 10

1 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 1.5mm Wide x 50mm ID - Pack of 25 1.5 mm 50 mm 53 mm
$9.38 / pack of 25
Buna-N O-Ring - 1.5mm Wide x 50mm ID - Pack of 25
Buna-N O-Ring - 1.5mm Wide x 50mm ID - Pack of 25
Brand USA Sealing
Item # AA0555
Mfr. Model # ZUSAH1.5X50
View Product Details
Price
$9.38 / pack of 25

14 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 2mm Wide x 50mm ID - Pack of 25 2 mm 50 mm 54 mm
$11.23 / pack of 25
Buna-N O-Ring - 2mm Wide x 50mm ID - Pack of 25
Buna-N O-Ring - 2mm Wide x 50mm ID - Pack of 25
Brand USA Sealing
Item # AA0757
Mfr. Model # ZUSAH2X50
View Product Details
Price
$11.23 / pack of 25

431 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 2.5mm Wide x 50mm ID - Pack of 50 2.5 mm 50 mm 55 mm
$21.58 / pack of 50
Buna-N O-Ring - 2.5mm Wide x 50mm ID - Pack of 50
Buna-N O-Ring - 2.5mm Wide x 50mm ID - Pack of 50
Brand USA Sealing
Item # AA0980
Mfr. Model # ZUSAH2.5X50
View Product Details
Price
$21.58 / pack of 50

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3mm Wide x 50mm ID - Pack of 25 3 mm 50 mm 56 mm
$12.38 / pack of 25
Buna-N O-Ring - 3mm Wide x 50mm ID - Pack of 25
Buna-N O-Ring - 3mm Wide x 50mm ID - Pack of 25
Brand USA Sealing
Item # AA1151
Mfr. Model # ZUSAH3X50
View Product Details
Price
$12.38 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3.5mm Wide x 50mm ID - Pack of 50 3.5 mm 50 mm 57 mm
$14.58 / pack of 50
Buna-N O-Ring - 3.5mm Wide x 50mm ID - Pack of 50
Buna-N O-Ring - 3.5mm Wide x 50mm ID - Pack of 50
Brand USA Sealing
Item # AA1392
Mfr. Model # ZUSAH3.5X50
View Product Details
Price
$14.58 / pack of 50

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3.55mm Wide x 50mm ID - Pack of 10 3.55 mm 50 mm 57.1 mm
$8.78 / pack of 10
Buna-N O-Ring - 3.55mm Wide x 50mm ID - Pack of 10
Buna-N O-Ring - 3.55mm Wide x 50mm ID - Pack of 10
Brand USA Sealing
Item # AA1493
Mfr. Model # ZUSAH3.55X50
View Product Details
Price
$8.78 / pack of 10

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 4mm Wide x 50mm ID - Pack of 25 4 mm 50 mm 58 mm
$13.50 / pack of 25
Buna-N O-Ring - 4mm Wide x 50mm ID - Pack of 25
Buna-N O-Ring - 4mm Wide x 50mm ID - Pack of 25
Brand USA Sealing
Item # AA1582
Mfr. Model # ZUSAH4X50
View Product Details
Price
$13.50 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 5mm Wide x 50mm ID - Pack of 20 5 mm 50 mm 60 mm
$13.23 / pack of 20
Buna-N O-Ring - 5mm Wide x 50mm ID - Pack of 20
Buna-N O-Ring - 5mm Wide x 50mm ID - Pack of 20
Brand USA Sealing
Item # AA1786
Mfr. Model # ZUSAH5X50
View Product Details
Price
$13.23 / pack of 20

2 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 5.3mm Wide x 50mm ID - Pack of 5 5.3 mm 50 mm 60.6 mm
$8.58 / pack of 5
Buna-N O-Ring - 5.3mm Wide x 50mm ID - Pack of 5
Buna-N O-Ring - 5.3mm Wide x 50mm ID - Pack of 5
Brand USA Sealing
Item # AA1887
Mfr. Model # ZUSAH5.3X50
View Product Details
Price
$8.58 / pack of 5

5 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 6mm Wide x 50mm ID - Pack of 5 6 mm 50 mm 62 mm
$7.93 / pack of 5
Buna-N O-Ring - 6mm Wide x 50mm ID - Pack of 5
Buna-N O-Ring - 6mm Wide x 50mm ID - Pack of 5
Brand USA Sealing
Item # AA2042
Mfr. Model # ZUSAH6X50
View Product Details
Price
$7.93 / pack of 5

1 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
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Cross Section - Actual
  1. 1 mm 1 item
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  6. 3.5 mm 1 item
  7. 3.55 mm 1 item
  8. 4 mm 1 item
  9. 5 mm 1 item
  10. 5.3 mm 1 item
  11. 6 mm 1 item
Inner Diameter - Actual
  1. 0.07" 2 items
  2. 0.208" 1 item
  3. 0.234" 1 item
  4. 0.239" 1 item
  5. 0.296" 1 item
  6. 0.299" 1 item
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  19. 1.109" 1 item
  20. 1.114" 1 item
  21. 1.171" 1 item
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  23. 1.239" 1 item
  24. 1.296" 1 item
  25. 1.421" 1 item
  26. 1.424" 1 item
  27. 1.475" 1 item
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  30. 1.725" 1 item
  31. 1.85" 2 items
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  34. 1.925" 1 item
  35. 1.975" 2 items
  36. 1.987" 1 item
  37. 2.05" 1 item
  38. 2.1" 2 items
  39. 2.225" 2 items
  40. 2.35" 2 items
  41. 2.475" 2 items
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  55. 3.725" 2 items
  56. 3.739" 1 item
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  59. 3.987" 1 item
  60. 4.1" 2 items
  61. 4.225" 2 items
  62. 4.35" 2 items
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  64. 4.475" 2 items
  65. 4.487" 1 item
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  67. 4.6" 2 items
  68. 4.725" 2 items
  69. 4.739" 1 item
  70. 4.85" 2 items
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  76. 5.239" 1 item
  77. 5.35" 2 items
  78. 5.359" 1 item
  79. 5.475" 2 items
  80. 5.6" 2 items
  81. 5.725" 2 items
  82. 5.739" 1 item
  83. 5.85" 2 items
  84. 5.975" 2 items
  85. 5.984" 1 item
  86. 5.987" 1 item
  87. 6.225" 2 items
  88. 6.239" 1 item
  89. 6.475" 2 items
  90. 6.725" 2 items
  91. 6.975" 2 items
  92. 7.225" 2 items
  93. 7.475" 3 items
  94. 7.725" 1 item
  95. 7.737" 1 item
  96. 7.975" 2 items
  97. 8.237" 1 item
  98. 8.475" 2 items
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  100. 8.984" 1 item
  101. 9.234" 1 item
  102. 9.475" 2 items
  103. 9.487" 1 item
  104. 9.975" 2 items
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  106. 10.475" 2 items
  107. 10.975" 2 items
  108. 11.475" 2 items
  109. 11.975" 2 items
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  112. 14.975" 2 items
  113. 15.955" 3 items
  114. 16.955" 3 items
  115. 17.955" 3 items
  116. 18.455" 1 item
  117. 18.955" 2 items
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  121. 22.94" 2 items
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  124. 25.94" 2 items
  125. 1.25 mm 1 item
  126. 1.8 mm 4 items
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  131. 3 mm 5 items
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  135. 4 mm 7 items
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  282. 48 mm 10 items
  283. 48.7 mm 2 items
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  422. 169.3 mm 1 item
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  425. 174 mm 2 items
  426. 174.2 mm 1 item
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  428. 178 mm 1 item
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  431. 185 mm 4 items
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  434. 193 mm 1 item
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  436. 194.3 mm 1 item
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  438. 199.3 mm 1 item
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  440. 203 mm 2 items
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  449. 220 mm 3 items
  450. 224 mm 2 items
  451. 225 mm 3 items
  452. 229.3 mm 1 item
  453. 230 mm 4 items
  454. 232 mm 1 item
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  456. 236 mm 3 items
  457. 239.3 mm 1 item
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  471. 279.3 mm 1 item
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  475. 289.3 mm 1 item
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  496. 387 mm 2 items
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 52 mm 1 item
  2. 53 mm 1 item
  3. 54 mm 1 item
  4. 55 mm 1 item
  5. 56 mm 1 item
  6. 57 mm 1 item
  7. 57.1 mm 1 item
  8. 58 mm 1 item
  9. 60 mm 1 item
  10. 60.6 mm 1 item
  11. 62 mm 1 item