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Buna-N O-Rings

10 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 42mm ID - Pack of 25 1 mm 42 mm 44 mm
$9.18 / pack of 25
Buna-N O-Ring - 1mm Wide x 42mm ID - Pack of 25
Buna-N O-Ring - 1mm Wide x 42mm ID - Pack of 25
Brand USA Sealing
Item # AA0443
Mfr. Model # ZUSAH1X42
View Product Details
Price
$9.18 / pack of 25

5 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 42mm ID - Pack of 25 1.5 mm 42 mm 45 mm
$8.63 / pack of 25
Buna-N O-Ring - 1.5mm Wide x 42mm ID - Pack of 25
Buna-N O-Ring - 1.5mm Wide x 42mm ID - Pack of 25
Brand USA Sealing
Item # AA0547
Mfr. Model # ZUSAH1.5X42
View Product Details
Price
$8.63 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 2mm Wide x 42mm ID - Pack of 50 2 mm 42 mm 46 mm
$13.75 / pack of 50
Buna-N O-Ring - 2mm Wide x 42mm ID - Pack of 50
Buna-N O-Ring - 2mm Wide x 42mm ID - Pack of 50
Brand USA Sealing
Item # AA0749
Mfr. Model # ZUSAH2X42
View Product Details
Price
$13.75 / pack of 50

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 2.5mm Wide x 42mm ID - Pack of 50 2.5 mm 42 mm 47 mm
$15.10 / pack of 50
Buna-N O-Ring - 2.5mm Wide x 42mm ID - Pack of 50
Buna-N O-Ring - 2.5mm Wide x 42mm ID - Pack of 50
Brand USA Sealing
Item # AA0972
Mfr. Model # ZUSAH2.5X42
View Product Details
Price
$15.10 / pack of 50

81 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3mm Wide x 42mm ID - Pack of 25 3 mm 42 mm 48 mm
$10.75 / pack of 25
Buna-N O-Ring - 3mm Wide x 42mm ID - Pack of 25
Buna-N O-Ring - 3mm Wide x 42mm ID - Pack of 25
Brand USA Sealing
Item # AA1139
Mfr. Model # ZUSAH3X42
View Product Details
Price
$10.75 / pack of 25

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 3.5mm Wide x 42mm ID - Pack of 10 3.5 mm 42 mm 49 mm
$8.10 / pack of 10
Buna-N O-Ring - 3.5mm Wide x 42mm ID - Pack of 10
Buna-N O-Ring - 3.5mm Wide x 42mm ID - Pack of 10
Brand USA Sealing
Item # AA1378
Mfr. Model # ZUSAH3.5X42
View Product Details
Price
$8.10 / pack of 10

Estimated to ship Fri. Jun 20
Buna-N O-Ring - 4mm Wide x 42mm ID - Pack of 25 4 mm 42 mm 50 mm
$13.65 / pack of 25
Buna-N O-Ring - 4mm Wide x 42mm ID - Pack of 25
Buna-N O-Ring - 4mm Wide x 42mm ID - Pack of 25
Brand USA Sealing
Item # AA1574
Mfr. Model # ZUSAH4X42
View Product Details
Price
$13.65 / pack of 25

3 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 4.5mm Wide x 42mm ID - Pack of 10 4.5 mm 42 mm 51 mm
$7.05 / pack of 10
Buna-N O-Ring - 4.5mm Wide x 42mm ID - Pack of 10
Buna-N O-Ring - 4.5mm Wide x 42mm ID - Pack of 10
Brand USA Sealing
Item # AA1722
Mfr. Model # ZUSAH4.5X42
View Product Details
Price
$7.05 / pack of 10

18 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 5mm Wide x 42mm ID - Pack of 10 5 mm 42 mm 52 mm
$8.63 / pack of 10
Buna-N O-Ring - 5mm Wide x 42mm ID - Pack of 10
Buna-N O-Ring - 5mm Wide x 42mm ID - Pack of 10
Brand USA Sealing
Item # AA1778
Mfr. Model # ZUSAH5X42
View Product Details
Price
$8.63 / pack of 10

3 units in stock. Estimated to ship Mon. May 12 Need more? Estimated to ship Fri. Jun 20
Buna-N O-Ring - 6mm Wide x 42mm ID - Pack of 5 6 mm 42 mm 54 mm
$7.08 / pack of 5
Buna-N O-Ring - 6mm Wide x 42mm ID - Pack of 5
Buna-N O-Ring - 6mm Wide x 42mm ID - Pack of 5
Brand USA Sealing
Item # AA2037
Mfr. Model # ZUSAH6X42
View Product Details
Price
$7.08 / pack of 5

123 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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  5. 3 mm 1 item
  6. 3.5 mm 1 item
  7. 4 mm 1 item
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  9. 5 mm 1 item
  10. 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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  24. 1.296" 1 item
  25. 1.421" 1 item
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  27. 1.475" 1 item
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  30. 1.725" 1 item
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  37. 2.05" 1 item
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  39. 2.225" 2 items
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  87. 6.225" 2 items
  88. 6.239" 1 item
  89. 6.475" 2 items
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  92. 7.225" 2 items
  93. 7.475" 3 items
  94. 7.725" 1 item
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  96. 7.975" 2 items
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  113. 15.955" 3 items
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  115. 17.955" 3 items
  116. 18.455" 1 item
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  125. 1.25 mm 1 item
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  271. 44 mm 10 items
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  279. 47 mm 7 items
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  282. 48 mm 10 items
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  436. 194.3 mm 1 item
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  452. 229.3 mm 1 item
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 44 mm 1 item
  2. 45 mm 1 item
  3. 46 mm 1 item
  4. 47 mm 1 item
  5. 48 mm 1 item
  6. 49 mm 1 item
  7. 50 mm 1 item
  8. 51 mm 1 item
  9. 52 mm 1 item
  10. 54 mm 1 item