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Buna-N O-Rings

2 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 - Dash 390 - Pack of 1 390 0.210" 20.955" 21.375"
$8.18 / each
Buna-N O-Ring - Dash 390 - Pack of 1
Buna-N O-Ring - Dash 390 - Pack of 1
Brand USA Sealing
Item # AA0299
Mfr. Model # ZUSAH70390
View Product Details
$8.18 / each

Expected to ship Wed. May 01
Buna-N O-Ring - Dash 470 - Pack of 2 470 0.275" 20.955" 21.505"
$15.53 / pack of 2
Buna-N O-Ring - Dash 470 - Pack of 2
Buna-N O-Ring - Dash 470 - Pack of 2
Brand USA Sealing
Item # AA0371
Mfr. Model # ZUSAH70470
View Product Details
$15.53 / pack of 2

Expected to ship Wed. May 01
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  1. Inner Diameter - Actual
    20.955"
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Dash Size
  1. 390 1 item
  2. 470 1 item
Cross Section - Actual
  1. 0.210" 1 item
  2. 0.275" 1 item
Cross Section - Fractional
  1. 3/16" 1 item
  2. 1/4" 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
  9. 0.299" 2 items
  10. 0.412" 2 items
  11. 0.421" 2 items
  12. 0.475" 2 items
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  15. 0.546" 2 items
  16. 0.609" 2 items
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  19. 0.671" 2 items
  20. 0.674" 1 item
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  50. 1.725" 1 item
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  83. 4.475" 2 items
  84. 4.487" 1 item
  85. 4.6" 2 items
  86. 4.725" 2 items
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  89. 4.975" 2 items
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  139. 1.25 mm 1 item
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  499. 487 mm 1 item
  500. 630 mm 1 item
Outer Diameter - Actual
  1. 21.375" 1 item
  2. 21.505" 1 item
Outer Diameter - Fractional
  1. 21-3/8" 1 item
  2. 21-1/2" 1 item