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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 - 2mm Wide x 31.5mm ID - Pack of 50 2 mm 31.5 mm 35.5 mm
$12.08 / pack of 50
Buna-N O-Ring - 2mm Wide x 31.5mm ID - Pack of 50
Buna-N O-Ring - 2mm Wide x 31.5mm ID - Pack of 50
Brand USA Sealing
Item # AA0730
Mfr. Model # ZUSAH2X31.5
View Product Details
$12.08 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 2.65mm Wide x 31.5mm ID - Pack of 25 2.65 mm 31.5 mm 36.8 mm
$8.65 / pack of 25
Buna-N O-Ring - 2.65mm Wide x 31.5mm ID - Pack of 25
Buna-N O-Ring - 2.65mm Wide x 31.5mm ID - Pack of 25
Brand USA Sealing
Item # AA1042
Mfr. Model # ZUSAH2.65X31.5
View Product Details
$8.65 / pack of 25

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3mm Wide x 31.5mm ID - Pack of 50 3 mm 31.5 mm 37.5 mm
$12.98 / pack of 50
Buna-N O-Ring - 3mm Wide x 31.5mm ID - Pack of 50
Buna-N O-Ring - 3mm Wide x 31.5mm ID - Pack of 50
Brand USA Sealing
Item # AA1120
Mfr. Model # ZUSAH3X31.5
View Product Details
$12.98 / pack of 50

Expected to ship Tue. Apr 30
Buna-N O-Ring - 3.55mm Wide x 31.5mm ID - Pack of 25 3.55 mm 31.5 mm 38.6 mm
$10.20 / pack of 25
Buna-N O-Ring - 3.55mm Wide x 31.5mm ID - Pack of 25
Buna-N O-Ring - 3.55mm Wide x 31.5mm ID - Pack of 25
Brand USA Sealing
Item # AA1480
Mfr. Model # ZUSAH3.55X31.5
View Product Details
$10.20 / pack of 25

Expected to ship Tue. Apr 30
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  1. Inner Diameter - Actual
    31.5 mm
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Cross Section - Actual
  1. 2 mm 1 item
  2. 2.65 mm 1 item
  3. 3 mm 1 item
  4. 3.55 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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  139. 1.25 mm 1 item
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Outer Diameter - Actual
  1. 35.5 mm 1 item
  2. 36.8 mm 1 item
  3. 37.5 mm 1 item
  4. 38.6 mm 1 item