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.

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. 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 part 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. 196-5029
BrandRS PRO
MYR31.97
1 Bag of 50
Bag(s)
20mm 26mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-4912
BrandRS PRO
MYR46.76
1 Bag of 50
Bag(s)
47mm 51mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5387
BrandRS PRO
MYR22.01
1 Bag of 50
Bag(s)
3.3mm 5.3mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-4907
BrandRS PRO
MYR39.69
1 Bag of 50
Bag(s)
43mm 47mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-6056
BrandRS PRO
MYR104.54
1 Bag of 5
Bag(s)
69.22mm 79.88mm 5.33mm O-Ring FKM -15°C +200°C
RS Stock No. 196-4756
BrandRS PRO
MYR25.61
1 Bag of 25
Bag(s)
50.52mm 54.08mm 1.78mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5358
BrandRS PRO
MYR26.28
1 Bag of 50
Bag(s)
2.5mm 3.5mm 0.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-4913
BrandRS PRO
MYR14.67
1 Bag of 20
Bag(s)
50mm 54mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5391
BrandRS PRO
MYR16.27
1 Bag of 50
Bag(s)
5mm 7mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-6000
BrandRS PRO
MYR41.29
1 Bag of 10
Bag(s)
23.39mm 30.45mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-6004
BrandRS PRO
MYR49.99
1 Bag of 10
Bag(s)
28.17mm 35.23mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5733
BrandRS PRO
MYR39.17
1 Bag of 10
Bag(s)
37mm 41mm 2mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5750
BrandRS PRO
MYR51.27
1 Bag of 5
Bag(s)
72mm 76mm 2mm O-Ring FKM -15°C +200°C
RS Stock No. 196-6061
BrandRS PRO
MYR78.64
Each
units
221.62mm 232.28mm 5.33mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5003
BrandRS PRO
MYR25.28
1 Bag of 5
Bag(s)
140mm 145mm 2.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 689-782
BrandRS PRO
MYR86.70
1 Bag of 50
Bag(s)
1 3/16in 1 7/16in 1/8in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 196-5088
BrandRS PRO
MYR33.89
1 Bag of 5
Bag(s)
168mm 174mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5535
BrandRS PRO
MYR24.61
1 Bag of 50
Bag(s)
25.5mm 28.5mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 796-0760
Mfr. Part No.SOFQ0030001500020001A
BrandKlinger
MYR50.38
1 Bag of 10
Bag(s)
219mm 279mm 1.5mm Inside Bolt C4400 -100°C +250°C
RS Stock No. 196-5679
BrandRS PRO
MYR34.75
1 Bag of 25
Bag(s)
13mm 16mm 1.5mm O-Ring FKM -15°C +200°C