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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These are typically used in piston applications to create a tight seal between the moving parts and the cylinder wall. Ideal for use in high-pressure and high-temperature environments.
Cast Iron Piston Rings
Unit of Measure
1 2 3 4 

Item #

Item Description

Outside Diameter

Ring Width

Ring Wall

Alternate Part #

List Price

51/2X3/16CIR N/A 5.50 Inch (in) Outside Diameter, 0.185/0.186 Inch (in) Ring Width, and 0.175/0.190 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.50 in N/A 0.185 in0.186 in N/A 0.175 in0.190 in N/A P-1027-06 SPR-5501 {}
51/2X3/8CIR N/A 5.5 Inch (in) Outside Diameter, 0.372/0.37 Inch (in) Ring Width, and 0165/0.177 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.5 in N/A 0.37 in0.372 in N/A 0.165 in0.177 in N/A SPR-5503 {}
51/2X5/16CIR N/A 5.5 Inch (in) Outside Diameter, 0.310/0.311 Inch (in) Ring Width, and 0.175/0.190 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.5 in N/A 0.310 in0.311 in N/A 0.175 in0.190 in N/A SPR-5500 {}
51/4X1/4CIR N/A 5.25 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.166/0.181 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.25 in N/A 0.248 in0.249 in N/A 0.166 in0.181 in N/A P1026 SPR-5251 {}
51/4X3/16CIR N/A 5.25 Inch (in) Outside Diameter, 0.187/0.190 Inch (in) Ring Width, and 0.181 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.25 in N/A 0.187 in0.190 in N/A 0.181 in N/A P-1026-06 {}
51/8X1/4CIR N/A 5.125 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.166/0.172 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.125 in N/A 0.248 in0.249 in N/A 0.166 in0.172 in N/A SPR-5120 {}
53/4X1/4CIR N/A 5.75 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.184/0.199 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5.75 in N/A 0.248 in0.249 in N/A 0.184 in0.199 in N/A SPR-5751 {}
5X1/4CIR N/A 5 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.160/0.175 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5 in N/A 0.248 in0.249 in N/A 0.160 in0.175 in N/A P-1025 SPR-5002 {}
5X3/16CIR N/A 5 Inch (in) Outside Diameter, 0.185/0.186 Inch (in) Ring Width, and 0.160/0.175 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5 in N/A 0.185 in0.186 in N/A 0.160 in0.175 in N/A P-1025-06 SPR-5001 {}
5X3/8CIR N/A 5 Inch (in) Outside Diameter, 0.372/0.373 Inch (in) Ring Width, and 0.160/0.175 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5 in N/A 0.372 in0.373 in N/A 0.160 in0.175 in N/A P-1025-12 {}
5X5/16CIR N/A 5 Inch (in) Outside Diameter, 0.310/0.311 Inch (in) Ring Width, and 0.160/0.175 Inch (in) Ring Wall Cast Iron Piston Ring N/A 5 in N/A 0.310 in0.311 in N/A 0.160 in0.175 in N/A P-1025-10 {}
6.025X1/4CIR N/A 6.03 Inch (in) Outside Diameter, 0.2475/0.249 Inch (in) Ring Width, and 0.191/0.206 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.03 in N/A 0.2475 in0.249 in N/A 0.191 in0.206 in N/A SPR-6030 {}
61/2X1/4CIR N/A 6.50 Inch (in) Outside Diameter, 0.247/0.249 Inch (in) Ring Width, and 0.211/0.226 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.50 in N/A 0.247 in0.249 in N/A 0.211 in0.226 in N/A SPR-6502 {}
61/2X5/16CIR N/A 6.50 Inch (in) Outside Diameter, 0.309/0.311 Inch (in) Ring Width, and 0.211/0.226 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.50 in N/A 0.309 in0.311 in N/A 0.211 in0.226 in N/A P1031 SPR-6500 {}
61/4X1/4CIR N/A 6.25 Inch (in) Outside Diameter, 0.247/0.249 Inch (in) Ring Width, and 0.202/0.217 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.25 in N/A 0.247 in0.249 in N/A 0.202 in0.217 in N/A P-1030-08 SPR-6252 {}
61/4X1/4X.202CIR N/A 6.25 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.202/0.217 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.25 in N/A 0.248 in0.249 in N/A 0.202 in0.217 in N/A SPR-6252 {}
61/4X5/16CIR N/A 6.25 Inch (in) Outside Diameter, 0.310/0.311 Inch (in) Ring Width, and 0.205/0.220 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.25 in N/A 0.310 in0.311 in N/A 0.205 in0.220 in N/A SPR-6251 {}
61/8X1/4CIR N/A 6.125 Inch (in) Outside Diameter, 0.248/0.249 Inch (in) Ring Width, and 0.190/0.205 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.125 in N/A 0.248 in0.249 in N/A 0.190 in0.205 in N/A SPR-6120 {}
63/4X1/4X1/4CIR N/A 6.75 Inch (in) Outside Diameter, 0.309/0.311 Inch (in) Ring Width, and 0.219/0.234 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6.75 in N/A 0.309 in0.311 in N/A 0.219 in0.234 in N/A SPR-6751 {}
6X1/4CIR N/A 6 Inch (in) Outside Diameter, 02.47/0.249 Inch (in) Ring Width, and 0.191/0.206 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6 in N/A 0.249 in02.47 in N/A 0.191 in0.206 in N/A P-1029-08 SPR-6002 {}
6X3/8CIR N/A 6 Inch (in) Outside Diameter, 0.3715/0.37 Inch (in) Ring Width, and 0.191/0.206 Inch (in) Ring Wall Cast Iron Piston Ring N/A 6 in N/A 0.37 in0.3715 in N/A 0.191 in0.206 in N/A SPR-6005 {}
71/2X5/16CIR N/A 7.50 Inch (in) Outside Diameter, 0.309/0.311 Inch (in) Ring Width, and 0.244/0.259 Inch (in) Ring Wall Cast Iron Piston Ring N/A 7.50 in N/A 0.309 in0.311 in N/A 0.244 in0.259 in N/A P-1035 SPR-7500 {}
71/4X1/4CIR N/A 7.25 Inch (in) Outside Diameter, 0.247/0.249 Inch (in) Ring Width, and 0.237/0.252 Inch (in) Ring Wall Cast Iron Piston Ring N/A 7.25 in N/A 0.247 in0.249 in N/A 0.237 in0.252 in N/A {}
71/4X5/16 CIR N/A 7.25 Inch (in) Outside Diameter and 0.3125 Inch (in) Ring Width Cast Iron Piston Ring N/A 7.25 in N/A 0.3125 in N/A N/A SPR 7255 {}
73/4X5/16CIR N/A 7.75 Inch (in) Outside Diameter, 0.309/0.311 Inch (in) Ring Width, and 0.252/0.267 Inch (in) Ring Wall Cast Iron Piston Ring N/A 7.75 in N/A 0.309 in0.311 in N/A 0.252 in0.267 in N/A P-1036 {}
Unit of Measure
1 2 3 4