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Buna-N O-Rings

4 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 21.5mm ID - Pack of 50 1 mm 21.5 mm 23.5 mm
$9.65 / pack of 50
Buna-N O-Ring - 1mm Wide x 21.5mm ID - Pack of 50
Buna-N O-Ring - 1mm Wide x 21.5mm ID - Pack of 50
Brand USA Sealing
Item # AA0423
Mfr. Model # ZUSAH1X21.5
View Product Details
$9.65 / pack of 50

Expected to ship Mon. Jun 10
Buna-N O-Ring - 1.5mm Wide x 21.5mm ID - Pack of 100 1.5 mm 21.5 mm 24.5 mm
$13.08 / pack of 100
Buna-N O-Ring - 1.5mm Wide x 21.5mm ID - Pack of 100
Buna-N O-Ring - 1.5mm Wide x 21.5mm ID - Pack of 100
Brand USA Sealing
Item # AA0519
Mfr. Model # ZUSAH1.5X21.5
View Product Details
$13.08 / pack of 100

Expected to ship Mon. Jun 10
Buna-N O-Ring - 2.5mm Wide x 21.5mm ID - Pack of 10 2.5 mm 21.5 mm 26.5 mm
$8.30 / pack of 10
Buna-N O-Ring - 2.5mm Wide x 21.5mm ID - Pack of 10
Buna-N O-Ring - 2.5mm Wide x 21.5mm ID - Pack of 10
Brand USA Sealing
Item # AA0943
Mfr. Model # ZUSAH2.5X21.5
View Product Details
$8.30 / pack of 10

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3mm Wide x 21.5mm ID - Pack of 25 3 mm 21.5 mm 27.5 mm
$6.78 / pack of 25
Buna-N O-Ring - 3mm Wide x 21.5mm ID - Pack of 25
Buna-N O-Ring - 3mm Wide x 21.5mm ID - Pack of 25
Brand USA Sealing
Item # AA1094
Mfr. Model # ZUSAH3X21.5
View Product Details
$6.78 / pack of 25

Expected to ship Tue. Apr 30
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  1. Inner Diameter - Actual
    21.5 mm
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Cross Section - Actual
  1. 1 mm 1 item
  2. 1.5 mm 1 item
  3. 2.5 mm 1 item
  4. 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
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  10. 0.412" 2 items
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  139. 1.25 mm 1 item
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Outer Diameter - Actual
  1. 23.5 mm 1 item
  2. 24.5 mm 1 item
  3. 26.5 mm 1 item
  4. 27.5 mm 1 item