JIS Fluorosilicone O-Rings

OneMonroe's Fluorosilicone O-Rings are crafted to deliver reliable and high-performance sealing in the most challenging environments. These O-Rings are constructed from premium fluorosilicone, a material known for its exceptional chemical resistance and stability across a wide range of temperatures. Perfectly suited for industries that require advanced sealing solutions, such as aerospace, automotive, and industrial applications, OneMonroe's fluorosilicone O-Rings are ideal for situations where both chemical exposure and extreme temperature variations are concerns. Designed to handle everything from fuel and oil exposure to high and low temperature swings, they provide long-lasting, effective sealing without compromising material integrity.

Each OneMonroe fluorosilicone O-Ring meets JIS (Japanese Industrial Standards) specifications, ensuring quality and compatibility with a variety of systems and components. Known for its versatility, fluorosilicone material is highly resistant to oils, fuels, and many chemicals, making it ideal for sealing in applications where other materials may degrade. The unique composition of these O-Rings provides flexibility in sub-zero temperatures and stability in high-heat situations, ensuring reliable performance even in the most demanding environments. These O-Rings are available in multiple sizes and dimensions, making them adaptable to any specific needs and applications where precision sealing is crucial.

OneMonroe is committed to quality and reliability, and our fluorosilicone O-Rings are a testament to that dedication. Whether you’re working on high-tech machinery, vehicles, or industrial equipment, our fluorosilicone O-Rings offer superior sealing performance for the most extreme conditions. Engineered with durability and longevity in mind, OneMonroe's O-Rings minimize downtime and maintenance costs by preventing leaks and ensuring a robust seal. Trust OneMonroe for all your sealing needs, and invest in fluorosilicone O-Rings that stand up to tough environments and extend the life of your critical equipment.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	ID Tolerance	JIS Number
P35.5 F-70	N/A 181946	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 35.20 mm1.386 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-35.5
P355 F-70	N/A 181947	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.331 in8.40 mm	N/A 70	N/A 354.50 mm13.957 in	N/A 0.006 in0.18 mm	N/A 0.039 in1.00 mm	N/A P-355
P36 F-70	N/A 181948	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 35.70 mm1.406 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-36
P360 F-70	N/A 181949	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.331 in8.40 mm	N/A 70	N/A 359.50 mm14.154 in	N/A 0.006 in0.18 mm	N/A 0.039 in1.00 mm	N/A P-360
P375 F-70	N/A 181950	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.331 in8.40 mm	N/A 70	N/A 374.50 mm14.744 in	N/A 0.006 in0.18 mm	N/A 0.039 in1.00 mm	N/A P-375
P38 F-70	N/A 181951	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 37.70 mm1.484 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-38
P385 F-70	N/A 181952	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.331 in8.40 mm	N/A 70	N/A 384.50 mm15.138 in	N/A 0.006 in0.18 mm	N/A 0.039 in1.00 mm	N/A P-385
P39 F-70	N/A 181953	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 38.70 mm1.524 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-39
P4 F-70	N/A 181954	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.075 in1.90 mm	N/A 70	N/A 3.80 mm0.150 in	N/A 0.003 in0.09 mm	N/A 0.005 in0.12 mm	N/A P-4
P40 F-70	N/A 181955	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 39.70 mm1.563 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-40
P400 F-70	N/A 181956	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.331 in8.40 mm	N/A 70	N/A 399.5 mm15.728 in	N/A 0.006 in0.18 mm	N/A 0.039 in1.00 mm	N/A P-400
P41 F-70	N/A 181957	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 40.70 mm1.602 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-41
P42 F-70	N/A 181958	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 41.70 mm1.642 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-42
P44 F-70	N/A 181959	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 43.70 mm1.720 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-44
P45 F-70	N/A 181960	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 44.70 mm1.760 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-45
P46 F-70	N/A 181961	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 45.70 mm1.799 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-46
P48 F-70	N/A 181962	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 47.70 mm1.878 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-48
P48A F-70	N/A 181963	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.224 in5.70 mm	N/A 70	N/A 47.60 mm1.874 in	N/A 0.006 in0.15 mm	N/A 0.01 in0.25 mm	N/A P-48A
P49 F-70	N/A 181964	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 48.70 mm1.917 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-49
P5 F-70	N/A 181965	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.075 in1.90 mm	N/A 70	N/A 4.80 mm0.189 in	N/A 0.003 in0.09 mm	N/A 0.005 in0.12 mm	N/A P-5
P50 F-70	N/A 181966	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.138 in3.50 mm	N/A 70	N/A 49.70 mm1.957 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A P-50
P50A F-70	N/A 181967	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.224 in5.70 mm	N/A 70	N/A 49.60 mm1.953 in	N/A 0.006 in0.15 mm	N/A 0.01 in0.25 mm	N/A P-50A
P52 F-70	N/A 181968	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.224 in5.70 mm	N/A 70	N/A 51.60 mm2.031 in	N/A 0.006 in0.15 mm	N/A 0.01 in0.25 mm	N/A P-52
P53 F-70	N/A 181969	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.224 in5.70 mm	N/A 70	N/A 52.6 mm2.071 in	N/A 0.006 in0.15 mm	N/A 0.01 in0.25 mm	N/A P-53
P55 F-70	N/A 181970	N/A JIS Standard O-Ring	N/A Flurosilicone	N/A 0.224 in5.70 mm	N/A 70	N/A 54.60 mm2.150 in	N/A 0.006 in0.15 mm	N/A 0.01 in0.25 mm	N/A P-55

N/A
181946

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 35.20 mm1.386 in

N/A 0.004 in0.10 mm

N/A 0.006 in0.15 mm

N/A P-35.5

P355 F-70

N/A
181947

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.331 in8.40 mm

N/A 70

N/A 354.50 mm13.957 in

N/A 0.006 in0.18 mm

N/A 0.039 in1.00 mm

N/A P-355

P36 F-70

N/A
181948

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 35.70 mm1.406 in

N/A 0.004 in0.10 mm

N/A 0.006 in0.15 mm

N/A P-36

P360 F-70

N/A
181949

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.331 in8.40 mm

N/A 70

N/A 359.50 mm14.154 in

N/A 0.006 in0.18 mm

N/A 0.039 in1.00 mm

N/A P-360

P375 F-70

N/A
181950

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.331 in8.40 mm

N/A 70

N/A 374.50 mm14.744 in

N/A 0.006 in0.18 mm

N/A 0.039 in1.00 mm

N/A P-375

P38 F-70

N/A
181951

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 37.70 mm1.484 in

N/A 0.004 in0.10 mm

N/A 0.006 in0.15 mm

N/A P-38

P385 F-70

N/A
181952

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.331 in8.40 mm

N/A 70

N/A 384.50 mm15.138 in

N/A 0.006 in0.18 mm

N/A 0.039 in1.00 mm

N/A P-385

P39 F-70

N/A
181953

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 38.70 mm1.524 in

N/A 0.004 in0.10 mm

N/A 0.006 in0.15 mm

N/A P-39

P4 F-70

N/A
181954

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.075 in1.90 mm

N/A 70

N/A 3.80 mm0.150 in

N/A 0.003 in0.09 mm

N/A 0.005 in0.12 mm

N/A P-4

P40 F-70

N/A
181955

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 39.70 mm1.563 in

N/A 0.004 in0.10 mm

N/A 0.006 in0.15 mm

N/A P-40

P400 F-70

N/A
181956

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.331 in8.40 mm

N/A 70

N/A 399.5 mm15.728 in

N/A 0.006 in0.18 mm

N/A 0.039 in1.00 mm

N/A P-400

P41 F-70

N/A
181957

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 40.70 mm1.602 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-41

P42 F-70

N/A
181958

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 41.70 mm1.642 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-42

P44 F-70

N/A
181959

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 43.70 mm1.720 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-44

P45 F-70

N/A
181960

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 44.70 mm1.760 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-45

P46 F-70

N/A
181961

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 45.70 mm1.799 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-46

P48 F-70

N/A
181962

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 47.70 mm1.878 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-48

P48A F-70

N/A
181963

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.224 in5.70 mm

N/A 70

N/A 47.60 mm1.874 in

N/A 0.006 in0.15 mm

N/A 0.01 in0.25 mm

N/A P-48A

P49 F-70

N/A
181964

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 48.70 mm1.917 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-49

P5 F-70

N/A
181965

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.075 in1.90 mm

N/A 70

N/A 4.80 mm0.189 in

N/A 0.003 in0.09 mm

N/A 0.005 in0.12 mm

N/A P-5

P50 F-70

N/A
181966

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.138 in3.50 mm

N/A 70

N/A 49.70 mm1.957 in

N/A 0.004 in0.10 mm

N/A 0.01 in0.25 mm

N/A P-50

P50A F-70

N/A
181967

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.224 in5.70 mm

N/A 70

N/A 49.60 mm1.953 in

N/A 0.006 in0.15 mm

N/A 0.01 in0.25 mm

N/A P-50A

P52 F-70

N/A
181968

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.224 in5.70 mm

N/A 70

N/A 51.60 mm2.031 in

N/A 0.006 in0.15 mm

N/A 0.01 in0.25 mm

N/A P-52

P53 F-70

N/A
181969

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.224 in5.70 mm

N/A 70

N/A 52.6 mm2.071 in

N/A 0.006 in0.15 mm

N/A 0.01 in0.25 mm

N/A P-53

P55 F-70

N/A
181970

N/A JIS Standard O-Ring

N/A Flurosilicone

N/A 0.224 in5.70 mm

N/A 70

N/A 54.60 mm2.150 in

N/A 0.006 in0.15 mm

N/A 0.01 in0.25 mm

N/A P-55