jetgasket Store Up for sale is 1 bag of 1 pieces of a -446 AS568 size FKM o-rings with 75 Durometer hardness.Viton®/FKM has excellent resistance to chemicals, acidsand fuel as well as high temperature. It should not be used in applications of steam or hot water. The temperature range for this material is 5 to 400 F. Shipping via USPS First Class is included in the price.INSIDE DIAMETEROUTSIDE DIAMETERCROSS SECTION 8-1/2" 9" 1/4"Our FKM O-rings meet or exceed the following ASTM D2000 Standard: M6HK710, A1-10, B38, EF31, EO88, F15, Z1:75Check our feedback and buy with confidence! We sell quality seals and gaskets and we back up everything we sell 100%.Payment for this item is by Paypal or Credit Card. Please contact us with any questions BEFORE buying. Viton is a registered trademark of DuPont Performance Elastomers.Powered by eCRATER . List your items fast and easy and manage your active items.On Jun-28-09 at 12:29:30 PDT, seller added the following information:Free shipping via USPS 1st Class Mail with a shipping label & tracking number. We never ship our products with just a stamp!