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

18-133 N90A N/A 1-13/16 Inch (in) Inside Diameter, 2 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-13/16 in N/A 2 in N/A 3/32 in {}
18-134 N90A N/A 1-7/8 Inch (in) Inside Diameter, 2-1/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-7/8 in N/A 2-1/16 in N/A 3/32 in {}
18-135 N90A N/A 1-15/16 Inch (in) Inside Diameter, 2-1/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 1-15/16 in N/A 2-1/8 in N/A 3/32 in {}
18-136 N90A N/A 2 Inch (in) Inside Diameter, 2-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2 in N/A 2-3/16 in N/A 3/32 in {}
18-137 N90A N/A 2-1/16 Inch (in) Inside Diameter, 2-1/4 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-1/16 in N/A 2-1/4 in N/A 3/32 in {}
18-138 N90A N/A 2-1/8 Inch (in) Inside Diameter, 2-5/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-1/8 in N/A 2-5/16 in N/A 3/32 in {}
18-139 N90A N/A 2-3/16 Inch (in) Inside Diameter, 2-3/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-3/16 in N/A 2-3/8 in N/A 3/32 in {}
18-140 N90A N/A 2-1/4 Inch (in) Inside Diameter, 2-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-1/4 in N/A 2-7/16 in N/A 3/32 in {}
18-141 N90A N/A 2-5/16 Inch (in) Inside Diameter, 2-1/2 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-5/16 in N/A 2-1/2 in N/A 3/32 in {}
18-142 N90A N/A 2-3/8 Inch (in) Inside Diameter, 2-9/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-3/8 in N/A 2-9/16 in N/A 3/32 in {}
18-143 N90A N/A 2-7/16 Inch (in) Inside Diameter, 2-5/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-7/16 in N/A 2-5/8 in N/A 3/32 in {}
18-144 N90A N/A 2-1/2 Inch (in) Inside Diameter, 2-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-1/2 in N/A 2-11/16 in N/A 3/32 in {}
18-145 N90A N/A 2-9/16 Inch (in) Inside Diameter, 2-3/4 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-9/16 in N/A 2-3/4 in N/A 3/32 in {}
18-146 N90A N/A 2-5/8 Inch (in) Inside Diameter, 2-13/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-5/8 in N/A 2-13/16 in N/A 3/32 in {}
18-147 N90A N/A 2-11/16 Inch (in) Inside Diameter, 2-7/8 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-11/16 in N/A 2-7/8 in N/A 3/32 in {}
18-148 N90A N/A 2-3/4 Inch (in) Inside Diameter, 2-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-3/4 in N/A 2-15/16 in N/A 3/32 in {}
18-149 N90A N/A 2-13/16 Inch (in) Inside Diameter, 3 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-13/16 in N/A 3 in N/A 3/32 in {}
18-150 N90A N/A 2-7/8 Inch (in) Inside Diameter, 3-1/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 2-7/8 in N/A 3-1/16 in N/A 3/32 in {}
18-151 N90A N/A 3 Inch (in) Inside Diameter, 3-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3 in N/A 3-3/16 in N/A 3/32 in {}
18-152 N90A N/A 3-1/4 Inch (in) Inside Diameter, 3-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3-1/4 in N/A 3-7/16 in N/A 3/32 in {}
18-153 N90A N/A 3-1/2 Inch (in) Inside Diameter, 3-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3-1/2 in N/A 3-11/16 in N/A 3/32 in {}
18-154 N90A N/A 3-3/4 Inch (in) Inside Diameter, 3-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 3-3/4 in N/A 3-15/16 in N/A 3/32 in {}
18-155 N90A N/A 4 Inch (in) Inside Diameter, 4-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 4 in N/A 4-3/16 in N/A 3/32 in {}
18-156 N90A N/A 4-1/4 Inch (in) Inside Diameter, 4-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 4-1/4 in N/A 4-7/16 in N/A 3/32 in {}
18-157 N90A N/A 4-1/2 Inch (in) Inside Diameter, 4-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 4-1/2 in N/A 4-11/16 in N/A 3/32 in {}
Unit of Measure
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