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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 - 1.5mm Wide x 56mm ID - Pack of 25 1.5 mm 56 mm 59 mm
$9.40 / pack of 25
Buna-N O-Ring - 1.5mm Wide x 56mm ID - Pack of 25
Buna-N O-Ring - 1.5mm Wide x 56mm ID - Pack of 25
Brand USA Sealing
Item # AA0561
Mfr. Model # ZUSAH1.5X56
View Product Details
Price
$9.40 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 2mm Wide x 56mm ID - Pack of 25 2 mm 56 mm 60 mm
$11.43 / pack of 25
Buna-N O-Ring - 2mm Wide x 56mm ID - Pack of 25
Buna-N O-Ring - 2mm Wide x 56mm ID - Pack of 25
Brand USA Sealing
Item # AA0763
Mfr. Model # ZUSAH2X56
View Product Details
Price
$11.43 / pack of 25

1 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 56mm ID - Pack of 10 2.5 mm 56 mm 61 mm
$9.58 / pack of 10
Buna-N O-Ring - 2.5mm Wide x 56mm ID - Pack of 10
Buna-N O-Ring - 2.5mm Wide x 56mm ID - Pack of 10
Brand USA Sealing
Item # AA0986
Mfr. Model # ZUSAH2.5X56
View Product Details
Price
$9.58 / pack of 10

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3mm Wide x 56mm ID - Pack of 25 3 mm 56 mm 62 mm
$12.38 / pack of 25
Buna-N O-Ring - 3mm Wide x 56mm ID - Pack of 25
Buna-N O-Ring - 3mm Wide x 56mm ID - Pack of 25
Brand USA Sealing
Item # AA1157
Mfr. Model # ZUSAH3X56
View Product Details
Price
$12.38 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3.5mm Wide x 56mm ID - Pack of 25 3.5 mm 56 mm 63 mm
$11.08 / pack of 25
Buna-N O-Ring - 3.5mm Wide x 56mm ID - Pack of 25
Buna-N O-Ring - 3.5mm Wide x 56mm ID - Pack of 25
Brand USA Sealing
Item # AA1397
Mfr. Model # ZUSAH3.5X56
View Product Details
Price
$11.08 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3.55mm Wide x 56mm ID - Pack of 10 3.55 mm 56 mm 63.1 mm
$9.45 / pack of 10
Buna-N O-Ring - 3.55mm Wide x 56mm ID - Pack of 10
Buna-N O-Ring - 3.55mm Wide x 56mm ID - Pack of 10
Brand USA Sealing
Item # AA1496
Mfr. Model # ZUSAH3.55X56
View Product Details
Price
$9.45 / pack of 10

19 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 4mm Wide x 56mm ID - Pack of 20 4 mm 56 mm 64 mm
$12.95 / pack of 20
Buna-N O-Ring - 4mm Wide x 56mm ID - Pack of 20
Buna-N O-Ring - 4mm Wide x 56mm ID - Pack of 20
Brand USA Sealing
Item # AA1588
Mfr. Model # ZUSAH4X56
View Product Details
Price
$12.95 / pack of 20

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 4.5mm Wide x 56mm ID - Pack of 2 4.5 mm 56 mm 65 mm
$5.25 / pack of 2
Buna-N O-Ring - 4.5mm Wide x 56mm ID - Pack of 2
Buna-N O-Ring - 4.5mm Wide x 56mm ID - Pack of 2
Brand USA Sealing
Item # AA1728
Mfr. Model # ZUSAH4.5X56
View Product Details
Price
$5.25 / pack of 2

3 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 5mm Wide x 56mm ID - Pack of 10 5 mm 56 mm 66 mm
$11.83 / pack of 10
Buna-N O-Ring - 5mm Wide x 56mm ID - Pack of 10
Buna-N O-Ring - 5mm Wide x 56mm ID - Pack of 10
Brand USA Sealing
Item # AA1790
Mfr. Model # ZUSAH5X56
View Product Details
Price
$11.83 / pack of 10

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 56mm ID - Pack of 5 5.3 mm 56 mm 66.6 mm
$9.18 / pack of 5
Buna-N O-Ring - 5.3mm Wide x 56mm ID - Pack of 5
Buna-N O-Ring - 5.3mm Wide x 56mm ID - Pack of 5
Brand USA Sealing
Item # AA1891
Mfr. Model # ZUSAH5.3X56
View Product Details
Price
$9.18 / pack of 5

24 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 6mm Wide x 56mm ID - Pack of 2 6 mm 56 mm 68 mm
$9.65 / pack of 2
Buna-N O-Ring - 6mm Wide x 56mm ID - Pack of 2
Buna-N O-Ring - 6mm Wide x 56mm ID - Pack of 2
Brand USA Sealing
Item # AA2046
Mfr. Model # ZUSAH6X56
View Product Details
Price
$9.65 / pack of 2

13 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. 1.5 mm 1 item
  2. 2 mm 1 item
  3. 2.5 mm 1 item
  4. 3 mm 1 item
  5. 3.5 mm 1 item
  6. 3.55 mm 1 item
  7. 4 mm 1 item
  8. 4.5 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
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  5. 0.296" 1 item
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  87. 6.225" 2 items
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  89. 6.475" 2 items
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  92. 7.225" 2 items
  93. 7.475" 3 items
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  96. 7.975" 2 items
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  101. 9.234" 1 item
  102. 9.475" 2 items
  103. 9.487" 1 item
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  108. 11.475" 2 items
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  113. 15.955" 3 items
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  116. 18.455" 1 item
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  125. 1.25 mm 1 item
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  447. 214 mm 1 item
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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
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  454. 232 mm 1 item
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  456. 236 mm 3 items
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  471. 279.3 mm 1 item
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  475. 289.3 mm 1 item
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 59 mm 1 item
  2. 60 mm 1 item
  3. 61 mm 1 item
  4. 62 mm 1 item
  5. 63 mm 1 item
  6. 63.1 mm 1 item
  7. 64 mm 1 item
  8. 65 mm 1 item
  9. 66 mm 1 item
  10. 66.6 mm 1 item
  11. 68 mm 1 item