574 Back-Up Rings
Molded of 90A Durometer Buna-N Rubber, these 'Parback®' Style Dished Cross Section back-up rings provide excellent extrusion resistance. Stretched for installation, they return quickly to their original size for easy installation.
NOTE: Sizes (Dash No.) corresponds to standard O-ring numbers.
| SEAL INFORMATION | |
|---|---|
| MATERIAL | 90A BUNA-N RUBBER |
| TEMPERATURE RANGE | -40° TO +240°F |
| PRESSURE RANGE | VARIES ACCORDING TO DIAMETRAL CLEARANCE |
| PART NUMBER | (Prefix) - (Dash No.) |
