249 Viton/FKM O-Ring, 90A Durometer, 4-7/8" ID, 5-1/8" OD, 1/8" Width Pack of 5 Purge indicates that a sample was

indicates that a sample was completely penetrated

3 no-mar tips

the nominal inside diameter (ID)

Includes Sizing Chart and Schematic

249 Viton/FKM O-Ring, 90A Durometer, 4-7/8" ID, 5-1/8" OD, 1/8" Width Pack of 5 Purge indicates that a sample wasMade of Viton FKM (fluorocarbon elastomer) for use with a variety of chemicals and fuels Durometer (hardness) of 90A for resistance to penetration Round cross section to provide a seal between cylindrical overlapping surfaces For use across a wide temperature range from 15 degrees F 26 degrees C to 400 degrees F 205 degrees C Meets standards defined by Aerospace Standard AS568A Size: 249 Nominal Inside Diameter: 4. 859 Inches Nominal Outside Diameter: