• Nitrile Back-Up Rings
90 Durometer Nitrile 'Parback®' style back up for o-ring.

Other materials available include hytrel, urethane, and PTFE, please contact us for more information.
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Item Description

Inside Diameter

Outside Diameter

Width

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FTP Price

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N/A 1/4 Inch (in) Inside Diameter, 7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1/4 in N/A 7/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 5/16 Inch (in) Inside Diameter, 1/2 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5/16 in N/A 1/2 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 3/8 Inch (in) Inside Diameter, 9/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3/8 in N/A 9/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 7/16 Inch (in) Inside Diameter, 5/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7/16 in N/A 5/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1/2 Inch (in) Inside Diameter, 11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1/2 in N/A 11/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 9/16 Inch (in) Inside Diameter, 3/4 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 9/16 in N/A 3/4 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 5/8 Inch (in) Inside Diameter, 13/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5/8 in N/A 13/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 11/16 Inch (in) Inside Diameter, 7/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 11/16 in N/A 7/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 3/4 Inch (in) Inside Diameter, 15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3/4 in N/A 15/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 13/16 Inch (in) Inside Diameter, 1 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 13/16 in N/A 1 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 7/8 Inch (in) Inside Diameter, 1-1/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7/8 in N/A 1-1/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 15/16 Inch (in) Inside Diameter, 1-1/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 15/16 in N/A 1-1/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1 Inch (in) Inside Diameter, 1-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1 in N/A 1-3/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-1/16 Inch (in) Inside Diameter, 1-1/4 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-1/16 in N/A 1-1/4 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-1/8 Inch (in) Inside Diameter, 1-5/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-1/8 in N/A 1-5/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-3/16 Inch (in) Inside Diameter, 1-3/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-3/16 in N/A 1-3/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-1/4 Inch (in) Inside Diameter, 1-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-1/4 in N/A 1-7/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-5/16 Inch (in) Inside Diameter, 1-1/2 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-5/16 in N/A 1-1/2 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-3/8 Inch (in) Inside Diameter, 1-9/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-3/8 in N/A 1-9/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-7/16 Inch (in) Inside Diameter, 1-5/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-7/16 in N/A 1-5/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-1/2 Inch (in) Inside Diameter, 1-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-1/2 in N/A 1-11/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-9/16 Inch (in) Inside Diameter, 1-3/4 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-9/16 in N/A 1-3/4 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-5/8 Inch (in) Inside Diameter, 1-13/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-5/8 in N/A 1-13/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-11/16 Inch (in) Inside Diameter, 1-7/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-11/16 in N/A 1-7/8 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
N/A 1-3/4 Inch (in) Inside Diameter, 1-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-3/4 in N/A 1-15/16 in N/A 3/32 in =CASE WHEN {FTP Price}>0 THEN {FTP Price} END= N/A {} Add To Cart
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