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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 73mm ID - Pack of 25 2 mm 73 mm 77 mm
$12.35 / pack of 25
Buna-N O-Ring - 2mm Wide x 73mm ID - Pack of 25
Buna-N O-Ring - 2mm Wide x 73mm ID - Pack of 25
Brand USA Sealing
Item # AA0780
Mfr. Model # ZUSAH2X73
View Product Details
$12.35 / pack of 25

Expected to ship Tue. Jun 11
Buna-N O-Ring - 3mm Wide x 73mm ID - Pack of 10 3 mm 73 mm 79 mm
$8.18 / pack of 10
Buna-N O-Ring - 3mm Wide x 73mm ID - Pack of 10
Buna-N O-Ring - 3mm Wide x 73mm ID - Pack of 10
Brand USA Sealing
Item # AA1175
Mfr. Model # ZUSAH3X73
View Product Details
$8.18 / pack of 10

Expected to ship Tue. Jun 11
Buna-N O-Ring - 3.5mm Wide x 73mm ID - Pack of 5 3.5 mm 73 mm 80 mm
$11.73 / pack of 5
Buna-N O-Ring - 3.5mm Wide x 73mm ID - Pack of 5
Buna-N O-Ring - 3.5mm Wide x 73mm ID - Pack of 5
Brand USA Sealing
Item # AA1413
Mfr. Model # ZUSAH3.5X73
View Product Details
$11.73 / pack of 5

Expected to ship Tue. Jun 11
Buna-N O-Ring - 4mm Wide x 73mm ID - Pack of 10 4 mm 73 mm 81 mm
$11.30 / pack of 10
Buna-N O-Ring - 4mm Wide x 73mm ID - Pack of 10
Buna-N O-Ring - 4mm Wide x 73mm ID - Pack of 10
Brand USA Sealing
Item # AA1603
Mfr. Model # ZUSAH4X73
View Product Details
$11.30 / pack of 10

Expected to ship Wed. May 01
Buna-N O-Ring - 4.5mm Wide x 73mm ID - Pack of 2 4.5 mm 73 mm 82 mm
$6.80 / pack of 2
Buna-N O-Ring - 4.5mm Wide x 73mm ID - Pack of 2
Buna-N O-Ring - 4.5mm Wide x 73mm ID - Pack of 2
Brand USA Sealing
Item # AA1735
Mfr. Model # ZUSAH4.5X73
View Product Details
$6.80 / pack of 2

Expected to ship Wed. May 01
Buna-N O-Ring - 5mm Wide x 73mm ID - Pack of 5 5 mm 73 mm 83 mm
$7.50 / pack of 5
Buna-N O-Ring - 5mm Wide x 73mm ID - Pack of 5
Buna-N O-Ring - 5mm Wide x 73mm ID - Pack of 5
Brand USA Sealing
Item # AA1805
Mfr. Model # ZUSAH5X73
View Product Details
$7.50 / pack of 5

Expected to ship Wed. May 01
Buna-N O-Ring - 5.3mm Wide x 73mm ID - Pack of 5 5.3 mm 73 mm 83.6 mm
$10.15 / pack of 5
Buna-N O-Ring - 5.3mm Wide x 73mm ID - Pack of 5
Buna-N O-Ring - 5.3mm Wide x 73mm ID - Pack of 5
Brand USA Sealing
Item # AA1900
Mfr. Model # ZUSAH5.3X73
View Product Details
$10.15 / pack of 5

Expected to ship Wed. May 01
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  1. Inner Diameter - Actual
    73 mm
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Cross Section - Actual
  1. 2 mm 1 item
  2. 3 mm 1 item
  3. 3.5 mm 1 item
  4. 4 mm 1 item
  5. 4.5 mm 1 item
  6. 5 mm 1 item
  7. 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
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  20. 0.674" 1 item
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  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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  34. 1.114" 1 item
  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
  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
  75. 3.739" 1 item
  76. 3.85" 2 items
  77. 3.975" 2 items
  78. 3.987" 1 item
  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
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  110. 7.475" 3 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
  121. 10.475" 2 items
  122. 10.975" 2 items
  123. 11.475" 2 items
  124. 11.975" 2 items
  125. 12.975" 2 items
  126. 13.975" 2 items
  127. 14.975" 2 items
  128. 15.955" 3 items
  129. 16.955" 3 items
  130. 17.955" 3 items
  131. 18.955" 2 items
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  135. 22.94" 2 items
  136. 23.94" 2 items
  137. 24.94" 2 items
  138. 25.94" 2 items
  139. 1.25 mm 1 item
  140. 1.8 mm 4 items
  141. 2 mm 4 items
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  229. 25.2 mm 2 items
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  231. 25.8 mm 2 items
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  233. 26.5 mm 5 items
  234. 27 mm 10 items
  235. 27.5 mm 4 items
  236. 27.7 mm 1 item
  237. 28 mm 13 items
  238. 28.5 mm 2 items
  239. 29 mm 8 items
  240. 29.2 mm 2 items
  241. 29.5 mm 3 items
  242. 30 mm 11 items
  243. 30.5 mm 2 items
  244. 31 mm 8 items
  245. 31.5 mm 4 items
  246. 31.6 mm 1 item
  247. 31.7 mm 1 item
  248. 32 mm 11 items
  249. 32.5 mm 6 items
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  268. 40 mm 12 items
  269. 41 mm 9 items
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  276. 43 mm 7 items
  277. 43.7 mm 3 items
  278. 44 mm 10 items
  279. 44.2 mm 1 item
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  281. 45 mm 11 items
  282. 45.7 mm 1 item
  283. 45.84 mm 1 item
  284. 46 mm 9 items
  285. 46.2 mm 2 items
  286. 47 mm 7 items
  287. 47.5 mm 2 items
  288. 47.6 mm 2 items
  289. 48 mm 10 items
  290. 48.7 mm 2 items
  291. 49 mm 8 items
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  294. 51 mm 6 items
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  314. 62.6 mm 1 item
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  317. 64.6 mm 2 items
  318. 65 mm 11 items
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  320. 66.6 mm 1 item
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  323. 68.26 mm 1 item
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  326. 71 mm 5 items
  327. 72 mm 7 items
  328. 73 mm 7 items
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  330. 74.2 mm 1 item
  331. 74.6 mm 1 item
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  400. 135 mm 7 items
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  414. 154.5 mm 2 items
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  423. 167 mm 1 item
  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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  430. 178 mm 1 item
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  433. 185 mm 4 items
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  435. 190 mm 6 items
  436. 193 mm 1 item
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  438. 194.3 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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  475. 289.3 mm 1 item
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  496. 387 mm 2 items
  497. 399.5 mm 1 item
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 77 mm 1 item
  2. 79 mm 1 item
  3. 80 mm 1 item
  4. 81 mm 1 item
  5. 82 mm 1 item
  6. 83 mm 1 item
  7. 83.6 mm 1 item