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Buna-N O-Rings

8 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 28mm ID - Pack of 100 1.5 mm 28 mm 31 mm
$16.00 / pack of 100
Buna-N O-Ring - 1.5mm Wide x 28mm ID - Pack of 100
Buna-N O-Ring - 1.5mm Wide x 28mm ID - Pack of 100
Brand USA Sealing
Item # AA0530
Mfr. Model # ZUSAH1.5X28
View Product Details
$16.00 / pack of 100

Expected to ship Wed. Jun 19
Buna-N O-Ring - 2mm Wide x 27mm ID - Pack of 50 2 mm 27 mm 31 mm
$10.10 / pack of 50
Buna-N O-Ring - 2mm Wide x 27mm ID - Pack of 50
Buna-N O-Ring - 2mm Wide x 27mm ID - Pack of 50
Brand USA Sealing
Item # AA0722
Mfr. Model # ZUSAH2X27
View Product Details
$10.10 / pack of 50

Expected to ship Wed. Jun 19
Buna-N O-Ring - 2.5mm Wide x 26mm ID - Pack of 50 2.5 mm 26 mm 31 mm
$10.70 / pack of 50
Buna-N O-Ring - 2.5mm Wide x 26mm ID - Pack of 50
Buna-N O-Ring - 2.5mm Wide x 26mm ID - Pack of 50
Brand USA Sealing
Item # AA0952
Mfr. Model # ZUSAH2.5X26
View Product Details
$10.70 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3mm Wide x 25mm ID - Pack of 50 3 mm 25 mm 31 mm
$10.13 / pack of 50
Buna-N O-Ring - 3mm Wide x 25mm ID - Pack of 50
Buna-N O-Ring - 3mm Wide x 25mm ID - Pack of 50
Brand USA Sealing
Item # AA1104
Mfr. Model # ZUSAH3X25
View Product Details
$10.13 / pack of 50

Expected to ship Mon. Jun 03
Buna-N O-Ring - 3.5mm Wide x 24mm ID - Pack of 50 3.5 mm 24 mm 31 mm
$12.33 / pack of 50
Buna-N O-Ring - 3.5mm Wide x 24mm ID - Pack of 50
Buna-N O-Ring - 3.5mm Wide x 24mm ID - Pack of 50
Brand USA Sealing
Item # AA1342
Mfr. Model # ZUSAH3.5X24
View Product Details
$12.33 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 4mm Wide x 23mm ID - Pack of 50 4 mm 23 mm 31 mm
$11.73 / pack of 50
Buna-N O-Ring - 4mm Wide x 23mm ID - Pack of 50
Buna-N O-Ring - 4mm Wide x 23mm ID - Pack of 50
Brand USA Sealing
Item # AA1555
Mfr. Model # ZUSAH4X23
View Product Details
$11.73 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 4.5mm Wide x 22mm ID - Pack of 10 4.5 mm 22 mm 31 mm
$8.53 / pack of 10
Buna-N O-Ring - 4.5mm Wide x 22mm ID - Pack of 10
Buna-N O-Ring - 4.5mm Wide x 22mm ID - Pack of 10
Brand USA Sealing
Item # AA1708
Mfr. Model # ZUSAH4.5X22
View Product Details
$8.53 / pack of 10

Expected to ship Tue. Apr 30
Buna-N O-Ring - 5mm Wide x 21mm ID - Pack of 25 5 mm 21 mm 31 mm
$8.55 / pack of 25
Buna-N O-Ring - 5mm Wide x 21mm ID - Pack of 25
Buna-N O-Ring - 5mm Wide x 21mm ID - Pack of 25
Brand USA Sealing
Item # AA1757
Mfr. Model # ZUSAH5X21
View Product Details
$8.55 / pack of 25

Expected to ship Tue. Apr 30
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  1. Outer Diameter - Actual
    31 mm
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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. 4 mm 1 item
  7. 4.5 mm 1 item
  8. 5 mm 1 item
Inner Diameter - Actual
  1. 21 mm 1 item
  2. 22 mm 1 item
  3. 23 mm 1 item
  4. 24 mm 1 item
  5. 25 mm 1 item
  6. 26 mm 1 item
  7. 27 mm 1 item
  8. 28 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
  7. 0.412" 2 items
  8. 0.443" 2 items
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