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. You can see more in our Gaskets and O-rings guide.


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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Beskrivning Pris Inside Diameter Outside Diameter Thickness Type Material Minimum Operating Temperature Maximum Operating Temperature
RS-artikelnummer 689-625
VarumärkeRS PRO
20,16 kr
1 Bag of 50
Påse(ar)
5/16in 7/16in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 689-574
VarumärkeRS PRO
35,40 kr
1 Bag of 50
Påse(ar)
1/8in 1/4in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 521-5752
VarumärkeRS PRO
562,42 kr
Each
Enheter
- 25.4mm - Gasket Carbon Steel, Stainless Steel - -
RS-artikelnummer 689-596
VarumärkeRS PRO
36,15 kr
1 Bag of 50
Påse(ar)
3/16in 5/16in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 129-088
VarumärkeRS PRO
169,85 kr
1 Bag of 50
Påse(ar)
13.94mm 19.05mm 2.62mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS-artikelnummer 689-704
VarumärkeRS PRO
50,76 kr
1 Bag of 50
Påse(ar)
3/4in 15/16in 3/32in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 527-9992
VarumärkeRS PRO
315,67 kr
1 Bag of 50
Påse(ar)
32.92mm 1 9/16in 3.53mm O-Ring Silicone -60°C +200°C
RS-artikelnummer 128-805
VarumärkeRS PRO
47,34 kr
1 Bag of 50
Påse(ar)
4.1mm 7.3mm 1.6mm O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 689-580
VarumärkeRS PRO
36,05 kr
1 Bag of 50
Påse(ar)
5/32in 9/32in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 527-9740
VarumärkeRS PRO
79,34 kr
1 Bag of 50
Påse(ar)
2.9mm 1/4in 1.78mm O-Ring Silicone -60°C +200°C
RS-artikelnummer 528-0015
VarumärkeRS PRO
320,94 kr
1 Bag of 50
Påse(ar)
36.09mm 1 11/16in 3.53mm O-Ring Silicone -60°C +200°C
RS-artikelnummer 689-833
VarumärkeRS PRO
185,66 kr
1 Bag of 50
Påse(ar)
1 1/2in 1 3/4in 1/8in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 128-877
VarumärkeRS PRO
46,60 kr
1 Bag of 50
Påse(ar)
6.6mm 11.4mm 2.4mm O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 129-038
VarumärkeRS PRO
85,10 kr
1 Bag of 50
Påse(ar)
7.65mm 11.11mm 1.78mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS-artikelnummer 129-050
VarumärkeRS PRO
142,01 kr
1 Bag of 50
Påse(ar)
9.19mm 3/8in 2.62mm O-Ring Fluorocarbon Elastomer -20°C +200°C
RS-artikelnummer 689-631
VarumärkeRS PRO
41,48 kr
1 Bag of 50
Påse(ar)
3/8in 1/2in 1/16in O-Ring Nitrile Rubber -30°C +120°C
RS-artikelnummer 528-0009
VarumärkeRS PRO
319,10 kr
1 Bag of 50
Påse(ar)
34.52mm 1 5/8in 3.53mm O-Ring Silicone -60°C +200°C
RS-artikelnummer 211-8715
VarumärkeRS PRO
9,662 kr
Each (In a Pack of 5)
Enheter
5mm 16mm 6mm Shaft Seal Nitrile Rubber -40°C +100°C
RS-artikelnummer 196-5644
VarumärkeRS PRO
69,42 kr
1 Bag of 25
Påse(ar)
6.5mm 8.5mm 1mm O-Ring FKM -15°C +200°C
RS-artikelnummer 196-5645
VarumärkeRS PRO
221,38 kr
1 Bag of 25
Påse(ar)
7.8mm 9.8mm 1mm O-Ring FKM -15°C +200°C