​​573 HYTREL BACK-UP RINGS

SEAL INFORMATION
MATERIAL	HYTREL 55D
TEMPERATURE RANGE	-60° TO +275° F
PRESSURE RANGE	VARIES ACCORDING TO DIAMETRAL CLEARANCE
PART NUMBER	(prefix) - (Dash No.)

 
Manufactured in 55D Durometer Hytrel, these back-up rings provide excellent extrusion resistance and tolerance to fluids such as phosphate esters, hydraulic oil and water. Stretched for installation, they return quickly to their original size for easy installation.
NOTE: Sizes (Dash No.) corresponds to standard O-ring numbers 
*COLOR MAY ALSO VARY FROM PIC**