Click to expand Tap to zoom Auveco No. 4307 O-Rings 3/16" Inner Diameter 5/16" Outer Diameter, Quantity - 50 by Auveco Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $5.45 | / SKU 4307 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Catalog Description Quantity: 50 Industry standard number: 8 Inside diameter: 3/16" Material: Buna N Rubber Outside diameter: 5/16" Rating: 70 hours @ 100 degrees Celcius. 212 degrees Fahrenheit Thickness: 1/16" California warning: WARNING: This product can expose you to chemicals including Styrene, which is known to the state of California to cause reproductive risk and cancer. For more information go to www.p65warnings.ca.gov Country of origin: CN Catalog Click here to see item 4307 in the Auveco catalog.