JIS B 2401 is a Japanese Industrial Standard for O-Ring sizes. This standard, often referred to as Japanese Metrics, is organized into four series, based on their application. The O-Rings in each section have ascending number codes to complete the size reference.

- JIS: P Series Moving (dynamic)

- JIS: G Series Fixed (static)

- JIS: S Series Special Sizes

- JIS: V Series Vacuum Flange

- All JIS Sizes Sorted by Size

FKM 75 material is the closest to a universal elastomer for sealing over other types of elastomers. Fluorocarbon o-ring are commonly referred to as a o-ring, or FKM, Fluorel, FPM o-ring.

- Excellent against compression set and heat aging.

- Excellent for oil and grease application.

- Standard temperate from -15C to 200C.

P3 - ID 2.8MM X CS 1.9MM

P4- ID 3.8MM X CS 1.9MM

P5- ID 4.8MM X CS 1.9MM

P6- ID 5.8MM X CS 1.9MM

P7- ID 6.8MM X CS 1.9MM

P8- ID 7.8MM X CS 1.9MM

P9- ID 8.8MM X CS 1.9MM

P10- ID9.8MM X CS 1.9MM

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