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. 196-6058
BrandRS PRO
SGD12.28
Each
units
110.49mm 121.15mm 5.33mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5388
BrandRS PRO
SGD4.40
1 Bag of 50
Bag(s)
3.5mm 5.5mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 689-697
BrandRS PRO
SGD9.21
1 Bag of 50
Bag(s)
11/16in 7/8in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 196-5089
BrandRS PRO
SGD10.39
1 Bag of 5
Bag(s)
169mm 175mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5675
BrandRS PRO
SGD8.93
1 Bag of 10
Bag(s)
32mm 35mm 1.5mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5017
BrandRS PRO
SGD6.51
1 Bag of 50
Bag(s)
10mm 16mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5501
BrandRS PRO
SGD7.24
1 Bag of 50
Bag(s)
27mm 30mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5031
BrandRS PRO
SGD8.94
1 Bag of 50
Bag(s)
22mm 28mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5393
BrandRS PRO
SGD5.06
1 Bag of 50
Bag(s)
6mm 8mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 689-704
BrandRS PRO
SGD11.78
1 Bag of 50
Bag(s)
3/4in 15/16in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 196-5650
BrandRS PRO
SGD5.94
1 Bag of 25
Bag(s)
3mm 6mm 1.5mm O-Ring FKM -15°C +200°C
RS Stock No. 796-0741
Mfr. Part No.SOFQ0030001500001501A
BrandKlinger
SGD6.66
1 Bag of 10
Bag(s)
21mm 48mm 1.5mm Inside Bolt C4400 -100°C +250°C
RS Stock No. 196-5880
BrandRS PRO
SGD9.37
Each
units
145mm 151mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5389
BrandRS PRO
SGD4.19
1 Bag of 50
Bag(s)
4mm 6mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-4909
BrandRS PRO
SGD13.85
1 Bag of 50
Bag(s)
45mm 49mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5736
BrandRS PRO
SGD10.96
1 Bag of 10
Bag(s)
39mm 43mm 2mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5372
BrandRS PRO
SGD8.94
1 Bag of 50
Bag(s)
5mm 6.6mm 0.8mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 689-681
BrandRS PRO
SGD7.86
1 Bag of 50
Bag(s)
5/8in 13/16in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 196-6061
BrandRS PRO
SGD24.45
Each
units
221.62mm 232.28mm 5.33mm O-Ring FKM -15°C +200°C
RS Stock No. 196-6047
BrandRS PRO
SGD16.43
Each
units
221.84mm 228.9mm 3.53mm O-Ring FKM -15°C +200°C