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

18-158 N90A N/A 4-3/4 Inch (in) Inside Diameter, 4-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 4-3/4 in N/A 4-15/16 in N/A 3/32 in {}
18-159 N90A N/A 5 Inch (in) Inside Diameter, 5-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5 in N/A 5-3/16 in N/A 3/32 in {}
18-160 N90A N/A 5-1/4 Inch (in) Inside Diameter, 5-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5-1/4 in N/A 5-7/16 in N/A 3/32 in {}
18-161 N90A N/A 5-1/2 Inch (in) Inside Diameter, 5-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5-1/2 in N/A 5-11/16 in N/A 3/32 in {}
18-162 N90A N/A 5-3/4 Inch (in) Inside Diameter, 5-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 5-3/4 in N/A 5-15/16 in N/A 3/32 in {}
18-163 N90A N/A 6 Inch (in) Inside Diameter, 6-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 6 in N/A 6-3/16 in N/A 3/32 in {}
18-164 N90A N/A 6-1/4 Inch (in) Inside Diameter, 6-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 6-1/4 in N/A 6-7/16 in N/A 3/32 in {}
18-165 N90A N/A 6-1/2 Inch (in) Inside Diameter, 6-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 6-1/2 in N/A 6-11/16 in N/A 3/32 in {}
18-166 N90A N/A 6-3/4 Inch (in) Inside Diameter, 6-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 6-3/4 in N/A 6-15/16 in N/A 3/32 in {}
18-167 N90A N/A 7 Inch (in) Inside Diameter, 7-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7 in N/A 7-3/16 in N/A 3/32 in {}
18-168 N90A N/A 7-1/4 Inch (in) Inside Diameter, 7-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7-1/4 in N/A 7-7/16 in N/A 3/32 in {}
18-169 N90A N/A 7-1/2 Inch (in) Inside Diameter, 7-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7-1/2 in N/A 7-11/16 in N/A 3/32 in {}
18-170 N90A N/A 7-3/4 Inch (in) Inside Diameter, 7-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 7-3/4 in N/A 7-15/16 in N/A 3/32 in {}
18-171 N90A N/A 8 Inch (in) Inside Diameter, 8-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 8 in N/A 8-3/16 in N/A 3/32 in {}
18-172 N90A N/A 8-1/4 Inch (in) Inside Diameter, 8-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 8-1/4 in N/A 8-7/16 in N/A 3/32 in {}
18-173 N90A N/A 8-1/2 Inch (in) Inside Diameter, 8-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 8-1/2 in N/A 8-11/16 in N/A 3/32 in {}
18-174 N90A N/A 8-3/4 Inch (in) Inside Diameter, 8-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 8-3/4 in N/A 8-15/16 in N/A 3/32 in {}
18-175 N90A N/A 9 Inch (in) Inside Diameter, 9-3/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 9 in N/A 9-3/16 in N/A 3/32 in {}
18-176 N90A N/A 9-1/4 Inch (in) Inside Diameter, 9-7/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 9-1/4 in N/A 9-7/16 in N/A 3/32 in {}
18-177 N90A N/A 9-1/2 Inch (in) Inside Diameter, 9-11/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 9-1/2 in N/A 9-11/16 in N/A 3/32 in {}
18-178 N90A N/A 9-3/4 Inch (in) Inside Diameter, 9-15/16 Inch (in) Outside Diameter, and 3/32 Inch (in) Width Nitrile Back-Up Ring N/A 9-3/4 in N/A 9-15/16 in N/A 3/32 in {}
18-201 N90A N/A 3/16 Inch (in) Inside Diameter, 7/16 Inch (in) Outside Diameter, and 1/8 Inch (in) Width Nitrile Back-Up Ring N/A 3/16 in N/A 7/16 in N/A 1/8 in {}
18-202 N90A N/A 1/4 Inch (in) Inside Diameter, 1/2 Inch (in) Outside Diameter, and 1/8 Inch (in) Width Nitrile Back-Up Ring N/A 1/4 in N/A 1/2 in N/A 1/8 in {}
18-203 N90A N/A 5/16 Inch (in) Inside Diameter, 9/16 Inch (in) Outside Diameter, and 1/8 Inch (in) Width Nitrile Back-Up Ring N/A 5/16 in N/A 9/16 in N/A 1/8 in {}
18-204 N90A N/A 3/8 Inch (in) Inside Diameter, 5/8 Inch (in) Outside Diameter, and 1/8 Inch (in) Width Nitrile Back-Up Ring N/A 3/8 in N/A 5/8 in N/A 1/8 in {}
Unit of Measure
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