Pneu-Draulics, Inc
Pneu-Draulics, Inc
111 Brookside Drive
Nicholasville, Ky 40356
United States
Phone: 1-800-333-7325 (SEAL)
E-Mail: info@pneu-draulics.com
Website: www.pneu-draulics.com
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90 Durometer Nitrile 'Parback®' style back up for o-ring.

Other materials available include hytrel, urethane, and PTFE, please contact us for more information.
Nitrile Back-Up Rings
Unit of Measure
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Item #

Item Description

Inside Diameter

Outside Diameter

Width

List Price

18-439 N90A N/A 6-1/2 Inch (in) Inside Diameter, 7 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 6-1/2 in N/A 7 in N/A 1/4 in {}
18-440 N90A N/A 6-3/4 Inch (in) Inside Diameter, 7-1/4 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 6-3/4 in N/A 7-1/4 in N/A 1/4 in {}
18-441 N90A N/A 7 Inch (in) Inside Diameter, 7-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 7 in N/A 7-1/2 in N/A 1/4 in {}
18-442 N90A N/A 7-1/4 Inch (in) Inside Diameter, 7-3/4 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 7-1/4 in N/A 7-3/4 in N/A 1/4 in {}
18-443 N90A N/A 7-1/2 Inch (in) Inside Diameter, 8 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 7-1/2 in N/A 8 in N/A 1/4 in {}
18-444 N90A N/A 7-3/4 Inch (in) Inside Diameter, 8-1/4 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 7-3/4 in N/A 8-1/4 in N/A 1/4 in {}
18-445 N90A N/A 8 Inch (in) Inside Diameter, 8-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 8 in N/A 8-1/2 in N/A 1/4 in {}
18-446 N90A N/A 8-1/2 Inch (in) Inside Diameter, 9 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 8-1/2 in N/A 9 in N/A 1/4 in {}
18-447 N90A N/A 9 Inch (in) Inside Diameter, 9-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 9 in N/A 9-1/2 in N/A 1/4 in {}
18-448 N90A N/A 9-1/2 Inch (in) Inside Diameter, 10 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 9-1/2 in N/A 10 in N/A 1/4 in {}
18-449 N90A N/A 10 Inch (in) Inside Diameter, 10-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 10 in N/A 10-1/2 in N/A 1/4 in {}
18-450 N90A N/A 10-1/2 Inch (in) Inside Diameter, 11 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 10-1/2 in N/A 11 in N/A 1/4 in {}
18-451 N90A N/A 11 Inch (in) Inside Diameter, 11-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 11 in N/A 11-1/2 in N/A 1/4 in {}
18-452 N90A N/A 11-1/2 Inch (in) Inside Diameter, 12 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 11-1/2 in N/A 12 in N/A 1/4 in {}
18-453 N90A N/A 12 Inch (in) Inside Diameter, 12-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 12 in N/A 12-1/2 in N/A 1/4 in {}
18-454 N90A N/A 12-1/2 Inch (in) Inside Diameter, 13 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 12-1/2 in N/A 13 in N/A 1/4 in {}
18-455 N90A N/A 13 Inch (in) Inside Diameter, 13-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 13 in N/A 13-1/2 in N/A 1/4 in {}
18-456 N90A N/A 13-1/2 Inch (in) Inside Diameter, 14 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 13-1/2 in N/A 14 in N/A 1/4 in {}
18-457 N90A N/A 14 Inch (in) Inside Diameter, 14-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 14 in N/A 14-1/2 in N/A 1/4 in {}
18-458 N90A N/A 14-1/2 Inch (in) Inside Diameter, 15 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 14-1/2 in N/A 15 in N/A 1/4 in {}
18-459 N90A N/A 15 Inch (in) Inside Diameter, 15-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 15 in N/A 15-1/2 in N/A 1/4 in {}
18-460 N90A N/A 15-1/2 Inch (in) Inside Diameter, 16 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 15-1/2 in N/A 16 in N/A 1/4 in {}
18-461 N90A N/A 16 Inch (in) Inside Diameter, 16-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 16 in N/A 16-1/2 in N/A 1/4 in {}
18-462 N90A N/A 16-1/2 Inch (in) Inside Diameter, 17 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 16-1/2 in N/A 17 in N/A 1/4 in {}
18-463 N90A N/A 17 Inch (in) Inside Diameter, 17-1/2 Inch (in) Outside Diameter, and 1/4 Inch (in) Width Nitrile Back-Up Ring N/A 17 in N/A 17-1/2 in N/A 1/4 in {}
Unit of Measure
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