SEALS Inch Back-Up Rings 574 Back-Up Rings

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.)

Products

574-004
SKU: 574-004
574-004, BU-90NBR-5/64x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.46
Quantity
574-005
SKU: 574-005
574-005, BU-90NBR-3/32x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.46
Quantity
574-006
SKU: 574-006
574-006, BU-90NBR-1/8x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.38
Quantity
574-007
SKU: 574-007
574-007, BU-90NBR-5/32x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.36
Quantity
574-008
SKU: 574-008
574-008, BU-90NBR-3/16x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.38
Quantity
574-009
SKU: 574-009
574-009, BU-90NBR-7/32x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.38
Quantity
574-010
SKU: 574-010
574-010, BU-90NBR-1/4x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.38
Quantity
574-011
SKU: 574-011
574-011, BU-90NBR-5/16x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.38
Quantity
574-012
SKU: 574-012
574-012, BU-90NBR-3/8x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.40
Quantity
574-013
SKU: 574-013
574-013, BU-90NBR-7/16x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.41
Quantity
574-014
SKU: 574-014
574-014, BU-90NBR-1/2X1/16-C/S(25), STANDARD BACK-UP RINGS
$0.41
Quantity
574-015
SKU: 574-015
574-015, BU-90NBR-9/16x1/16-C/S(25), STANDARD BACK-UP RINGS
$0.45
Quantity