OneMonroe offers high-quality neoprene O-rings that provide dependable sealing solutions for a broad range of applications. These O-rings are crafted from durable neoprene material, known for its excellent resistance to oils, greases, and many chemicals, as well as its superior durability in varying temperatures. With their outstanding physical properties, OneMonroe’s neoprene O-rings are ideally suited for use in automotive, aerospace, plumbing, and industrial applications, where effective sealing is essential for reliable performance and safety. No matter the application, OneMonroe neoprene O-rings are designed to withstand the demands of heavy use, ensuring long-lasting, leak-free performance in challenging environments.
Our neoprene O-rings are available in a range of sizes, including JIS (Japanese Industrial Standards) neoprene O-rings, to meet specific industry requirements. The JIS standard ensures consistent sizing and performance, making these O-rings an excellent choice for applications that demand precise, reliable sealing. OneMonroe understands the importance of having the right size and material to create a proper seal, which is why we offer a variety of options to suit the needs of different equipment and projects. Our O-rings are engineered for both static and dynamic applications, providing flexible, high-strength sealing solutions for everything from hydraulic systems to fuel handling.
When you choose OneMonroe neoprene O-rings, you’re investing in quality, performance, and peace of mind. We manufacture these O-rings to rigorous standards, ensuring they meet the high expectations of our customers. With exceptional resilience and chemical compatibility, OneMonroe neoprene O-rings offer a cost-effective sealing solution that enhances equipment efficiency and longevity. Rely on OneMonroe’s expertise and commitment to quality to deliver the reliable O-rings you need for critical applications in any industry.
For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (mm)
Inside Diameter (in)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Durometer |
Inside Diameter |
CSW Tolerance |
ID Tolerance |
JIS Number |
---|---|---|---|---|---|---|---|---|---|
P250 C-70 |
IntegrationID
N/A 179581 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 249.5 mm9.823 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-250 |
P255 C-70 |
IntegrationID
N/A 179582 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 254.5 mm10.020 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-255 |
P26 C-70 |
IntegrationID
N/A 179583 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 25.70 mm1.012 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-26 |
P260 C-70 |
IntegrationID
N/A 179584 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 259.5 mm10.217 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-260 |
P265 C-70 |
IntegrationID
N/A 179585 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 264.5 mm10.413 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-265 |
P270 C-70 |
IntegrationID
N/A 179586 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 269.5 mm10.610 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-270 |
P275 C-70 |
IntegrationID
N/A 179587 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 274.50 mm10.807 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-275 |
P28 C-70 |
IntegrationID
N/A 179588 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 27.70 mm1.091 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-28 |
P280 C-70 |
IntegrationID
N/A 179589 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 279.50 mm11.004 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-280 |
P285 C-70 |
IntegrationID
N/A 179590 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 284.50 mm11.201 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-285 |
P29 C-70 |
IntegrationID
N/A 179591 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 28.70 mm1.130 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-29 |
P29.5 C-70 |
IntegrationID
N/A 179592 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 29.20 mm1.150 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-29.5 |
P290 C-70 |
IntegrationID
N/A 179593 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 289.50 mm11.398 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-290 |
P295 C-70 |
IntegrationID
N/A 179594 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 294.50 mm11.594 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-295 |
P30 C-70 |
IntegrationID
N/A 179595 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 29.70 mm1.169 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-30 |
P300 C-70 |
IntegrationID
N/A 179596 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 299.50 mm11.791 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.031 in0.80 mm | JIS Number N/A P-300 |
P31 C-70 |
IntegrationID
N/A 179597 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 30.70 mm1.209 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-31 |
P31.5 C-70 |
IntegrationID
N/A 179598 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 31.20 mm1.228 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-31.5 |
P315 C-70 |
IntegrationID
N/A 179599 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 314.50 mm12.382 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-315 |
P32 C-70 |
IntegrationID
N/A 179600 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 31.70 mm1.248 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-32 |
P320 C-70 |
IntegrationID
N/A 179601 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 319.50 mm12.579 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-320 |
P335 C-70 |
IntegrationID
N/A 179602 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 334.50 mm13.169 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-335 |
P34 C-70 |
IntegrationID
N/A 179603 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 33.70 mm1.327 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-34 |
P340 C-70 |
IntegrationID
N/A 179604 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.331 in8.40 mm | Durometer N/A 70 | Inside Diameter N/A 339.50 mm13.366 in | CSW Tolerance N/A 0.006 in0.18 mm | ID Tolerance N/A 0.039 in1.00 mm | JIS Number N/A P-340 |
P35 C-70 |
IntegrationID
N/A 179605 |
Type N/A JIS Standard O-Ring | Material N/A Neoprene | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 34.70 mm1.366 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A P-35 |