RS Components
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RS PRO Nitrile Rubber O-Ring Seal, 14.6mm Bore, 19.4mm Outer Diameter

24 : Next working day
53 Within 7 working day(s) (Global stock)
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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 - 9$11.75$0.235
10 - 49$11.48$0.23
50 +$11.32$0.226
*price indicative

Bonded Dowty Seals

These seals comprise a metal annulus to which a medium nitrile elastomeric ring of trapezoidal cross-section is bonded. They provide high and low pressure sealing for ports on fluid systems where mineral based hydraulic fluids or mineral based engine lubricating oils are present.

Features and Benefits:

Available in both metric and BSP-based Imperial sizes
Hardness: 1 RHD 85-95

Typical Applications:

Seals and O-rings are used in various fields and industries including:
General engineering.
Bonded seals (also known as Dowty seals) are a type of washer and are available in various materials and standard sizes. They are suitable for sealing under the heads of bolts and threaded components, pipe couplings and connector applications where excellent contact is needed foe sealing gases, oils and fluids.

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.


The width (or thickness) quoted for the self-centralising bonded washers relates to the thickness of the fibre part of the washer.

Inside Diameter14.6mm
Outside Diameter19.4mm
TypeO-Ring Seal
MaterialNitrile Rubber
Minimum Operating Temperature-30°C
Maximum Operating Temperature+120°C