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庫存編號 196-5836
BrandRS PRO
HK$84.97
毎包:10 個
Bag(s)
34mm 40mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-6017
BrandRS PRO
HK$80.46
毎包:5 個
Bag(s)
59.92mm 66.98mm 3.53mm O-Ring FKM -15°C +200°C
RS庫存編號 796-0858
製造零件編號SOFM0030001500008001B
BrandKlinger
HK$224.35
毎包:10 個
Bag(s)
89mm 184mm 1.5mm Full Face C4400 -100°C +250°C
RS庫存編號 196-4839
BrandRS PRO
HK$40.32
毎包:50 個
Bag(s)
10.6mm 14.2mm 1.8mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4809
BrandRS PRO
HK$84.61
毎包:25 個
Bag(s)
75.79mm 82.85mm 3.53mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5189
BrandRS PRO
HK$134.93
毎包:20 個
Bag(s)
64.2mm 75.6mm 5.7mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4907
BrandRS PRO
HK$70.47
毎包:50 個
Bag(s)
43mm 47mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5534
BrandRS PRO
HK$25.11
毎包:50 個
Bag(s)
11.5mm 14.5mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4741
BrandRS PRO
HK$35.60
毎包:50 個
Bag(s)
18.77mm 22.33mm 1.78mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5073
BrandRS PRO
HK$25.11
毎包:20 個
Bag(s)
74mm 80mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5047
BrandRS PRO
HK$79.61
毎包:50 個
Bag(s)
36mm 42mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5667
BrandRS PRO
HK$81.93
毎包:25 個
Bag(s)
16mm 19mm 1.5mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5203
BrandRS PRO
HK$105.94
毎包:20 個
Bag(s)
60mm 72mm 6mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5026
BrandRS PRO
HK$50.59
毎包:50 個
Bag(s)
18mm 24mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5145
BrandRS PRO
HK$30.36
毎包:50 個
Bag(s)
30mm 38mm 4mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5538
BrandRS PRO
HK$28.73
毎包:50 個
Bag(s)
3.1mm 6.3mm 1.6mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5517
BrandRS PRO
HK$25.11
毎包:20 個
Bag(s)
50mm 53mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 527-9964
BrandRS PRO
HK$230.58
毎包:50 個
Bag(s)
28.17mm 1 3/8in 3.53mm O-Ring Seal Silicone -60°C +200°C
RS庫存編號 196-5823
BrandRS PRO
HK$119.47
毎包:25 個
Bag(s)
20mm 26mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5060
BrandRS PRO
HK$25.81
毎包:20 個
Bag(s)
54mm 60mm 3mm O-Ring Nitrile Rubber -30°C +90°C