Gaskets & O-Rings

Gaskets and O-rings are used to join two parts of a machine, engine or another often mechanical assembly by filling the space between both parts, creating a filled and sealed space in between. This seal prevents particle, vapour and fluid ingress or leakage to protect and maintain the joint or pressure whilst keeps debris out, ensuring proper function and safety. Gaskets and O-rings are used in various fields and industries including automotive, aerospace and general engineering.

RS Components supply a great range of gaskets and seals including nitrile O-rings which have a great resistance to abrasion and can be used for various sealing applications. Our nitrile O-rings are available in both metric and imperial standard sizes. Imperial sizes are usually to BS1806 and Metric sizes are to BS4518.

How do gaskets and O-rings work?

A gasket or O-ring is seated between two parts, often in a groove in one of the two parts to be joined, then compressed between these two components to the corresponding groove creating a securely sealed joint. They can be used in dynamic joints where there is movement as well as in static or fixed applications.

Types of gaskets and O-rings

Gaskets 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. They are available in a wide range of sizes both in single size packs or in kits for general maintenance or when looking after a range of sealed parts to ensure the correct size is available.

Gaskets and O-rings are typically made of elastomers like nitrile rubber and silicone, but they also come in plastics and other materials. This variety of material allows for specific gaskets and O-rings to be used to ensure the best fitting and most reliable seal.

Sizes vary between 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 gaskets and o-rings whether maintaining modern parts or older machines, engines and other mechanical parts.


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Description Price Inside Diameter Outside Diameter Thickness Type Material Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 129-050
BrandRS PRO
kr 73,93
1 Bag of 50
Bag(s)
9.19mm 3/8in 2.62mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 128-811
BrandRS PRO
kr 12,28
1 Bag of 50
Bag(s)
6.1mm 9.3mm 1.6mm O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 129-094
BrandRS PRO
kr 86,32
1 Bag of 50
Bag(s)
15.54mm 20.63mm 2.62mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 128-984
BrandRS PRO
kr 74,58
1 Bag of 50
Bag(s)
2.9mm 6.35mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 129-022
BrandRS PRO
kr 72,73
1 Bag of 50
Bag(s)
6.07mm 9.52mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 527-9857
BrandRS PRO
kr 151,47
1 Bag of 50
Bag(s)
15.54mm 13/16in 2.62mm O-Ring Silicone -60°C +200°C
RS Stock No. 211-8822
BrandRS PRO
kr 15,904
Each (In a Pack of 5)
Units
15mm 24mm 7mm Shaft Seal Nitrile Rubber -40°C +100°C
RS Stock No. 129-044
BrandRS PRO
kr 49,36
1 Bag of 50
Bag(s)
9.25mm 12.7mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 689-619
BrandRS PRO
kr 13,44
1 Bag of 50
Bag(s)
1/4in 3/8in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 527-9778
BrandRS PRO
kr 24,68
1 Bag of 50
Bag(s)
5.28mm 11/32in 1.78mm O-Ring Silicone -60°C +200°C
RS Stock No. 689-669
BrandRS PRO
kr 23,52
1 Bag of 50
Bag(s)
1/2in 11/16in 3/32in O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 129-038
BrandRS PRO
kr 103,60
1 Bag of 50
Bag(s)
7.65mm 11.11mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 128-877
BrandRS PRO
kr 37,87
1 Bag of 50
Bag(s)
6.6mm 11.4mm 2.4mm O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 527-9740
BrandRS PRO
kr 78,60
1 Bag of 50
Bag(s)
2.9mm 1/4in 1.78mm O-Ring Silicone -60°C +200°C
RS Stock No. 527-9914
BrandRS PRO
kr 171,77
1 Bag of 50
Bag(s)
21.82mm 1 1/8in 3.53mm O-Ring Silicone -60°C +200°C
RS Stock No. 689-710
BrandRS PRO
kr 44,79
1 Bag of 50
Bag(s)
3/4in 1in 1/8in O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 129-016
BrandRS PRO
kr 77,40
1 Bag of 50
Bag(s)
5.28mm 8.73mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 527-9942
BrandRS PRO
kr 228,44
1 Bag of 50
Bag(s)
25mm 1 1/4in 3.53mm O-Ring Silicone -60°C +200°C
RS Stock No. 128-805
BrandRS PRO
kr 41,96
1 Bag of 50
Bag(s)
4.1mm 7.3mm 1.6mm O-Ring Nitrile Rubber -30°C +120°C
RS Stock No. 129-088
BrandRS PRO
kr 141,37
1 Bag of 50
Bag(s)
13.94mm 19.05mm 2.62mm O-Ring Fluorocarbon Elastomer -20°C +200°C