RS Components
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RS PRO Fluorocarbon Elastomer O-Ring Seal, 18.66mm Bore, 25.4mm Outer Diameter

25 In stock for delivery within 7 working day(s)
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Price (ex. GST) 1 Bag of 50


(exc. GST)


(inc. GST)



RS Stock No.:
COO (Country of Origin):
Bag(s)Per BagPer unit*
1 - 5$51.59$1.032
6 - 24$50.61$1.012
25 +$49.79$0.996
*price indicative

Viton™ ’O’ Rings, Imperial sizes

RS PRO Viton O-rings have a wide range of chemical resistance. This material is also highly resistant to oxidation, UV exposure, fungus, weather, ozone and mould making these O-rings ideal for harsher environments than nitrile O-Rings.
These RS PRO O-Rings have excellent sealing properties, durability and a wide temperature range making them ideal for various applications where high temperatures and chemical exposure are found.

Features and Benefits:

High temperature & oil resistance
Temperature range -15°C to +200°C
Excellent resistance to flame, weather, oxidation and ozone

Typical Applications:

Seals and O-rings are used in various fields and industries including:
General engineering

Types of Seals and O-rings
Seals and O-rings come in various materials suited to different purposes. Some have a high temperature tolerance for use in both hot and cold applications, while others are made to be chemically resistant for use in lab or test equipment. Available in a wide range of sizes both in single size packs or in seal and O-ring kits for general maintenance. Sizes vary between seal and ring types both in diameter and thickness, these variations help provide an exact and precise seal to protect the joint. Both Metric and Imperial sizes are available to replace new and old seals and rings whether maintaining modern parts or older machines, engines and other mechanical parts.

RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.

'O' Rings

'O' ring seals available in a choice of three materials to suit different applications. All 'O' rings are supplied in bags of 50.,The Nitrile 'O' rings are available in both Metric and Imperial sizes. Imperial sizes are to BS1806, Metric sizes are to BS4518.

Inside Diameter18.66mm
Outside Diameter25.4mm
TypeO-Ring Seal
MaterialFluorocarbon Elastomer
Minimum Operating Temperature-20°C
Maximum Operating Temperature+200°C