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Buna-N O-Rings

9 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 27mm ID - Pack of 25 1 mm 27 mm 29 mm
$8.33 / pack of 25
Buna-N O-Ring - 1mm Wide x 27mm ID - Pack of 25
Buna-N O-Ring - 1mm Wide x 27mm ID - Pack of 25
Brand USA Sealing
Item # AA0431
Mfr. Model # ZUSAH1X27
View Product Details
$8.33 / pack of 25

Expected to ship Tue. Apr 30
Buna-N O-Ring - 1.5mm Wide x 26mm ID - Pack of 50 1.5 mm 26 mm 29 mm
$10.85 / pack of 50
Buna-N O-Ring - 1.5mm Wide x 26mm ID - Pack of 50
Buna-N O-Ring - 1.5mm Wide x 26mm ID - Pack of 50
Brand USA Sealing
Item # AA0526
Mfr. Model # ZUSAH1.5X26
View Product Details
$10.85 / pack of 50

Expected to ship Mon. Jun 03
Buna-N O-Ring - 2mm Wide x 25mm ID - Pack of 50 2 mm 25 mm 29 mm
$9.80 / pack of 50
Buna-N O-Ring - 2mm Wide x 25mm ID - Pack of 50
Buna-N O-Ring - 2mm Wide x 25mm ID - Pack of 50
Brand USA Sealing
Item # AA0718
Mfr. Model # ZUSAH2X25
View Product Details
$9.80 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 2.5mm Wide x 24mm ID - Pack of 50 2.5 mm 24 mm 29 mm
$9.65 / pack of 50
Buna-N O-Ring - 2.5mm Wide x 24mm ID - Pack of 50
Buna-N O-Ring - 2.5mm Wide x 24mm ID - Pack of 50
Brand USA Sealing
Item # AA0948
Mfr. Model # ZUSAH2.5X24
View Product Details
$9.65 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3mm Wide x 23mm ID - Pack of 50 3 mm 23 mm 29 mm
$9.68 / pack of 50
Buna-N O-Ring - 3mm Wide x 23mm ID - Pack of 50
Buna-N O-Ring - 3mm Wide x 23mm ID - Pack of 50
Brand USA Sealing
Item # AA1098
Mfr. Model # ZUSAH3X23
View Product Details
$9.68 / pack of 50

Expected to ship Mon. Jun 10
Buna-N O-Ring - 3.5mm Wide x 22mm ID - Pack of 50 3.5 mm 22 mm 29 mm
$14.83 / pack of 50
Buna-N O-Ring - 3.5mm Wide x 22mm ID - Pack of 50
Buna-N O-Ring - 3.5mm Wide x 22mm ID - Pack of 50
Brand USA Sealing
Item # AA1339
Mfr. Model # ZUSAH3.5X22
View Product Details
$14.83 / pack of 50

Expected to ship Mon. Jun 10
Buna-N O-Ring - 4mm Wide x 21mm ID - Pack of 25 4 mm 21 mm 29 mm
$11.30 / pack of 25
Buna-N O-Ring - 4mm Wide x 21mm ID - Pack of 25
Buna-N O-Ring - 4mm Wide x 21mm ID - Pack of 25
Brand USA Sealing
Item # AA1553
Mfr. Model # ZUSAH4X21
View Product Details
$11.30 / pack of 25

Expected to ship Tue. Apr 30
Buna-N O-Ring - 4.5mm Wide x 20mm ID - Pack of 25 4.5 mm 20 mm 29 mm
$9.05 / pack of 25
Buna-N O-Ring - 4.5mm Wide x 20mm ID - Pack of 25
Buna-N O-Ring - 4.5mm Wide x 20mm ID - Pack of 25
Brand USA Sealing
Item # AA1706
Mfr. Model # ZUSAH4.5X20
View Product Details
$9.05 / pack of 25

Expected to ship Tue. Apr 30
Buna-N O-Ring - 5mm Wide x 19mm ID - Pack of 10 5 mm 19 mm 29 mm
$10.28 / pack of 10
Buna-N O-Ring - 5mm Wide x 19mm ID - Pack of 10
Buna-N O-Ring - 5mm Wide x 19mm ID - Pack of 10
Brand USA Sealing
Item # AA1755
Mfr. Model # ZUSAH5X19
View Product Details
$10.28 / pack of 10

Expected to ship Tue. Apr 30
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  1. Outer Diameter - Actual
    29 mm
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Cross Section - Actual
  1. 1 mm 1 item
  2. 1.5 mm 1 item
  3. 2 mm 1 item
  4. 2.5 mm 1 item
  5. 3 mm 1 item
  6. 3.5 mm 1 item
  7. 4 mm 1 item
  8. 4.5 mm 1 item
  9. 5 mm 1 item
Inner Diameter - Actual
  1. 19 mm 1 item
  2. 20 mm 1 item
  3. 21 mm 1 item
  4. 22 mm 1 item
  5. 23 mm 1 item
  6. 24 mm 1 item
  7. 25 mm 1 item
  8. 26 mm 1 item
  9. 27 mm 1 item
Outer Diameter - Actual
  1. 0.109" 1 item
  2. 0.176" 2 items
  3. 0.21" 1 item
  4. 0.254" 1 item
  5. 0.287" 1 item
  6. 0.380" 1 item
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