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Back-Up Rings, Contoured Buna -90, 8-series

Contoured Back-Up Rings - 8-Series Sizes and Dimensions. Material: 90A Buna-N Rubber Temperature Range: -40 To +240 F Pressure Range: Varies According to diametrical clearance Contoured Buna-N Back-Up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation. Note: Back-up ring sizes correspond to Universal dash numbers, as per AS-568A O-Ring sizes. Note: Some minimums may apply. If you can’t find something you’re looking for, give us a call at 800-445-7803.

8-series_back-up_ring_dwg_-scanned-01_product Backups-imageok96o1_product
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Product #Sort-ascending A (Inch) Material W (Inch) I.D. (Inch) I.D Tolerance (Inch) T (Inch)  
8-004 0.045 Buna 90 0.053 0.096 +/-.005 0.049 Add to Cart
8-005 0.045 Buna 90 0.053 0.127 +/-.005 0.049 Add to Cart
8-006 0.045 Buna 90 0.053 0.140 +/-.005 0.049 Add to Cart
8-007 0.045 Buna 90 0.053 0.171 +/-.005 0.049 Add to Cart
8-008 0.045 Buna 90 0.053 0.202 +/-.005 0.049 Add to Cart
8-009 0.045 Buna 90 0.053 0.234 +/-.005 0.049 Add to Cart
8-010 0.045 Buna 90 0.053 0.265 +/-.005 0.049 Add to Cart
8-011 0.045 Buna 90 0.053 0.327 +/-.005 0.049 Add to Cart
8-012 0.045 Buna 90 0.053 0.390 +/-.005 0.049 Add to Cart
8-013 0.045 Buna 90 0.053 0.455 +/-.005 0.049 Add to Cart
8-014 0.045 Buna 90 0.053 0.518 +/-.005 0.049 Add to Cart
8-015 0.045 Buna 90 0.053 0.580 +/-.005 0.049 Add to Cart
8-016 0.045 Buna 90 0.053 0.643 +/-.009 0.049 Add to Cart
8-017 0.045 Buna 90 0.053 0.705 +/-.009 0.049 Add to Cart
8-018 0.045 Buna 90 0.053 0.768 +/-009 0.049 Add to Cart
8-019 0.045 Buna 90 0.053 0.830 +/-.009 0.049 Add to Cart
8-020 0.045 Buna 90 0.053 0.893 +/-.009 0.049 Add to Cart
8-021 0.045 Buna 90 0.053 0.955 +/-.009 0.049 Add to Cart
8-022 0.045 Buna 90 0.053 1.018 +/-.010 0.049 Add to Cart
8-023 0.045 Buna 90 0.053 1.080 +/-.010 0.049 Add to Cart
8-024 0.045 Buna 90 0.053 1.143 +/-.010 0.049 Add to Cart
8-025 0.045 Buna 90 0.053 1.205 +/-.011 0.049 Add to Cart
8-026 0.045 Buna 90 0.053 1.268 +/-.011 0.049 Add to Cart
8-027 0.045 Buna 90 0.053 1.330 +/-.011 0.049 Add to Cart
8-028 0.045 Buna 90 0.053 1.393 +/-.013 0.049 Add to Cart
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