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 196-5810
BrandRS PRO
HK$73.64
毎包:25 個
Bag(s)
9mm 15mm 3mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5503
BrandRS PRO
HK$25.32
毎包:50 個
Bag(s)
28mm 31mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5860
BrandRS PRO
HK$123.67
毎包:5 個
Bag(s)
67mm 73mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 204-0977
製造零件編號118800
HK$13.89
毎包:10 個
Bag(s)
18.3mm 25.5mm 3.6mm O-Ring Nitrile Rubber -30°C +100°C
RS庫存編號 196-5028
BrandRS PRO
HK$49.79
毎包:50 個
Bag(s)
19mm 25mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5988
BrandRS PRO
HK$155.39
毎包:5 個
Bag(s)
139.37mm 144.61mm 2.62mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5458
BrandRS PRO
HK$32.70
毎包:50 個
Bag(s)
1mm 4mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5674
BrandRS PRO
HK$44.38
毎包:10 個
Bag(s)
25mm 28mm 1.5mm O-Ring FKM -15°C +200°C
RS庫存編號 196-6037
BrandRS PRO
HK$157.35
毎包:5 個
Bag(s)
110.72mm 117.78mm 3.53mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5099
BrandRS PRO
HK$93.66
毎包:50 個
Bag(s)
38mm 45mm 3.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4950
BrandRS PRO
HK$51.75
毎包:50 個
Bag(s)
25mm 29.8mm 2.4mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 204-1026
製造零件編號130175
HK$82.36
毎包:10 個
Bag(s)
37.3mm 44.5mm 3.6mm O-Ring Ethylene Propylene Rubber -50°C +140°C
RS庫存編號 196-5364
BrandRS PRO
HK$52.37
毎包:50 個
Bag(s)
3.81mm 5.03mm 0.61mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-4884
BrandRS PRO
HK$25.32
毎包:50 個
Bag(s)
23mm 27mm 2mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5497
BrandRS PRO
HK$49.42
毎包:50 個
Bag(s)
24mm 27mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-5616
BrandRS PRO
HK$39.71
毎包:25 個
Bag(s)
3mm 5mm 1mm O-Ring FKM -15°C +200°C
RS庫存編號 196-4761
BrandRS PRO
HK$64.42
毎包:25 個
Bag(s)
72.75mm 76.31mm 1.78mm O-Ring Nitrile Rubber -30°C +90°C
RS庫存編號 196-6061
BrandRS PRO
HK$144.94
單位
221.62mm 232.28mm 5.33mm O-Ring FKM -15°C +200°C
RS庫存編號 196-6032
BrandRS PRO
HK$135.10
毎包:5 個
Bag(s)
94.84mm 101.9mm 3.53mm O-Ring FKM -15°C +200°C
RS庫存編號 196-5546
BrandRS PRO
HK$31.10
毎包:50 個
Bag(s)
18.1mm 21.3mm 1.6mm O-Ring Nitrile Rubber -30°C +90°C