AS568 Buna O-Rings

OneMonroe's AS568 Buna O-Rings offer a versatile and durable sealing solution designed to meet a wide range of industrial needs. Crafted from high-quality Buna-N (Nitrile) rubber, these O-rings provide excellent resistance to oil, fuel, and various chemicals, making them a dependable choice for many applications. Known for their strength and elasticity, our Buna O-rings can perform under varying temperatures and pressures, maintaining a reliable seal even in challenging environments. Each AS568 Buna O-Ring meets industry standards, ensuring quality, consistency, and compatibility across a range of machines, equipment, and components.

Our AS568 Buna O-Rings come in a variety of sizes and thicknesses, allowing users to find the perfect fit for their specific applications. At Monroe, we understand the importance of compatibility, which is why we offer O-rings that meet the AS568 standard sizing requirements, the most widely recognized specification in sealing applications. This sizing consistency ensures that our Buna O-Rings provide a precise fit, minimizing the risk of leaks and enhancing the efficiency and lifespan of the equipment in which they’re used. From automotive engines and hydraulic systems to plumbing and air compressors, OneMonroe AS568 Buna O-Rings deliver reliable performance where it matters most.

Choosing OneMonroe AS568 Buna O-Rings means choosing a product built for durability and reliability. Our Buna-N material offers outstanding wear resistance, meaning these O-rings will withstand repeated use and maintain a strong seal over time. As a trusted leader in industrial components, OneMonroe is dedicated to providing high-quality products and customer service that exceeds expectations. When sealing solutions are critical to your application’s success, OneMonroe’s AS568 Buna O-Rings offer the performance, consistency, and resilience you can trust.

Item #	IntegrationID	Cross Section Width	Durometer	Inside Diameter	Cross Section Tolerance +/-	Inside Diameter Tolerance +/-	Size Reference - AS568	Alternate P/N
M-001B70	N/A 189749	N/A 0.040 in	N/A 70	N/A 0.029 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -001	N/A 001B70
M-001B90	N/A 189750	N/A 0.040 in	N/A 90	N/A 0.029 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -001	N/A 001B90
M-002B70	N/A 189751	N/A 0.050 in	N/A 70	N/A 0.042 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -002	N/A 002B70
M-002B90	N/A 189752	N/A 0.050 in	N/A 90	N/A 0.042 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -002	N/A 002B90
M-003B70	N/A 189753	N/A 0.060 in	N/A 70	N/A 0.056 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -003	N/A 003B70
M-003B90	N/A 189754	N/A 0.060 in	N/A 90	N/A 0.056 in	N/A 0.003 in0.08 mm	N/A 0.004 in0.10 mm	N/A -003	N/A 003B90
M-004B70	N/A 189755	N/A 0.070 in	N/A 70	N/A 0.070 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -004	N/A 004B70
M-004B90	N/A 189756	N/A 0.070 in	N/A 90	N/A 0.070 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -004	N/A 004B90
M-005B70	N/A 189757	N/A 0.070 in	N/A 70	N/A 0.101 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -005	N/A 005B70
M-005B90	N/A 189758	N/A 0.070 in	N/A 90	N/A 0.101 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -005	N/A 005B90
M-006B70	N/A 189759	N/A 0.070 in	N/A 70	N/A 0.114 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -006	N/A 006B70
M-006B90	N/A 189760	N/A 0.070 in	N/A 90	N/A 0.114 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -006	N/A 006B90
M-007B70	N/A 189761	N/A 0.070 in	N/A 70	N/A 0.145 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -007	N/A 007B70
M-007B90	N/A 189762	N/A 0.070 in	N/A 90	N/A 0.145 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -007	N/A 007B90
M-008B70	N/A 189763	N/A 0.070 in	N/A 70	N/A 0.176 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -008	N/A 008B70
M-008B90	N/A 189764	N/A 0.070 in	N/A 90	N/A 0.176 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -008	N/A 008B90
M-009B70	N/A 189765	N/A 0.070 in	N/A 70	N/A 0.208 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -009	N/A 009B70
M-009B90	N/A 189766	N/A 0.070 in	N/A 90	N/A 0.208 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -009	N/A 009B90
M-010B70	N/A 189767	N/A 0.070 in	N/A 70	N/A 0.239 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -010	N/A 010B70
M-010B90	N/A 189768	N/A 0.070 in	N/A 90	N/A 0.239 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -010	N/A 010B90
M-011B70	N/A 189769	N/A 0.070 in	N/A 70	N/A 0.300 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -011	N/A 011B70
M-011B90	N/A 189770	N/A 0.070 in	N/A 90	N/A 0.300 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -011	N/A 011B90
M-012B70	N/A 189771	N/A 0.070 in	N/A 70	N/A 0.364 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -012	N/A 012B70
M-012B90	N/A 189772	N/A 0.070 in	N/A 90	N/A 0.364 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -012	N/A 012B90
M-013B70	N/A 189773	N/A 0.070 in	N/A 70	N/A 0.426 in	N/A 0.003 in0.08 mm	N/A 0.005 in0.12 mm	N/A -013	N/A 013B70

N/A
189749

N/A 0.040 in

N/A 70

N/A 0.029 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -001

N/A 001B70

M-001B90

N/A
189750

N/A 0.040 in

N/A 90

N/A 0.029 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -001

N/A 001B90

M-002B70

N/A
189751

N/A 0.050 in

N/A 70

N/A 0.042 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -002

N/A 002B70

M-002B90

N/A
189752

N/A 0.050 in

N/A 90

N/A 0.042 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -002

N/A 002B90

M-003B70

N/A
189753

N/A 0.060 in

N/A 70

N/A 0.056 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -003

N/A 003B70

M-003B90

N/A
189754

N/A 0.060 in

N/A 90

N/A 0.056 in

N/A 0.003 in0.08 mm

N/A 0.004 in0.10 mm

N/A -003

N/A 003B90

M-004B70

N/A
189755

N/A 0.070 in

N/A 70

N/A 0.070 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -004

N/A 004B70

M-004B90

N/A
189756

N/A 0.070 in

N/A 90

N/A 0.070 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -004

N/A 004B90

M-005B70

N/A
189757

N/A 0.070 in

N/A 70

N/A 0.101 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -005

N/A 005B70

M-005B90

N/A
189758

N/A 0.070 in

N/A 90

N/A 0.101 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -005

N/A 005B90

M-006B70

N/A
189759

N/A 0.070 in

N/A 70

N/A 0.114 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -006

N/A 006B70

M-006B90

N/A
189760

N/A 0.070 in

N/A 90

N/A 0.114 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -006

N/A 006B90

M-007B70

N/A
189761

N/A 0.070 in

N/A 70

N/A 0.145 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -007

N/A 007B70

M-007B90

N/A
189762

N/A 0.070 in

N/A 90

N/A 0.145 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -007

N/A 007B90

M-008B70

N/A
189763

N/A 0.070 in

N/A 70

N/A 0.176 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -008

N/A 008B70

M-008B90

N/A
189764

N/A 0.070 in

N/A 90

N/A 0.176 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -008

N/A 008B90

M-009B70

N/A
189765

N/A 0.070 in

N/A 70

N/A 0.208 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -009

N/A 009B70

M-009B90

N/A
189766

N/A 0.070 in

N/A 90

N/A 0.208 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -009

N/A 009B90

M-010B70

N/A
189767

N/A 0.070 in

N/A 70

N/A 0.239 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -010

N/A 010B70

M-010B90

N/A
189768

N/A 0.070 in

N/A 90

N/A 0.239 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -010

N/A 010B90

M-011B70

N/A
189769

N/A 0.070 in

N/A 70

N/A 0.300 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -011

N/A 011B70

M-011B90

N/A
189770

N/A 0.070 in

N/A 90

N/A 0.300 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -011

N/A 011B90

M-012B70

N/A
189771

N/A 0.070 in

N/A 70

N/A 0.364 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -012

N/A 012B70

M-012B90

N/A
189772

N/A 0.070 in

N/A 90

N/A 0.364 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -012

N/A 012B90

M-013B70

N/A
189773

N/A 0.070 in

N/A 70

N/A 0.426 in

N/A 0.003 in0.08 mm

N/A 0.005 in0.12 mm

N/A -013

N/A 013B70