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. 796-0851
Mfr. Part No.SOFM0030001500010012B
BrandKlinger
MYR78.12
1 Bag of 10
Bag(s)
114mm 216mm 1.5mm Full Face C4400 -100°C +250°C
RS Stock No. 689-653
BrandRS PRO
MYR23.69
1 Bag of 50
Bag(s)
7/16in 5/8in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 128-861
BrandRS PRO
MYR22.08
1 Bag of 50
Bag(s)
5.6mm 10.4mm 2.4mm O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 689-681
BrandRS PRO
MYR26.99
1 Bag of 50
Bag(s)
5/8in 13/16in 3/32in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 689-833
BrandRS PRO
MYR88.83
1 Bag of 50
Bag(s)
1 1/2in 1 3/4in 1/8in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 527-9740
BrandRS PRO
MYR39.46
1 Bag of 50
Bag(s)
2.9mm 1/4in 1.78mm O-Ring Seal Silicone -60°C +200°C
RS Stock No. 129-016
BrandRS PRO
MYR39.46
1 Bag of 50
Bag(s)
5.28mm 8.73mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 796-0750
Mfr. Part No.SOFQ0030001500005001A
BrandKlinger
MYR41.52
1 Bag of 10
Bag(s)
60mm 105mm 1.5mm Inside Bolt C4400 -100°C +250°C
RS Stock No. 796-0968
Mfr. Part No.SOFM0910003000004071B
BrandKlinger
MYR49.78
1 Bag of 10
Bag(s)
48.4mm 84.1mm 3mm Full Face Natural Rubber -25°C +80°C
RS Stock No. 129-022
BrandRS PRO
MYR39.46
1 Bag of 50
Bag(s)
6.07mm 9.52mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 689-580
BrandRS PRO
MYR17.38
1 Bag of 50
Bag(s)
5/32in 9/32in 1/16in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 129-094
BrandRS PRO
MYR84.34
1 Bag of 50
Bag(s)
15.54mm 20.63mm 2.62mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 796-0946
Mfr. Part No.SOFM0910003000015012A
BrandKlinger
MYR47.29
1 Bag of 10
Bag(s)
168.3mm 222.3mm 3mm RF Natural Rubber -25°C +80°C
RS Stock No. 128-984
BrandRS PRO
MYR38.58
1 Bag of 50
Bag(s)
2.9mm 6.35mm 1.78mm O-Ring Seal Fluorocarbon Elastomer -20°C +200°C
RS Stock No. 527-9829
BrandRS PRO
MYR82.22
1 Bag of 50
Bag(s)
10.77mm 5/8in 2.62mm O-Ring Seal Silicone -60°C +200°C
RS Stock No. 796-0921
Mfr. Part No.SOFM0910003000008001A
BrandKlinger
MYR40.66
1 Bag of 10
Bag(s)
88.9mm 136.5mm 3mm RF Natural Rubber -25°C +80°C
RS Stock No. 196-5498
BrandRS PRO
MYR14.15
1 Bag of 50
Bag(s)
24.5mm 27.5mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5499
BrandRS PRO
MYR25.48
1 Bag of 50
Bag(s)
25mm 28mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5999
BrandRS PRO
MYR40.09
1 Bag of 10
Bag(s)
21.82mm 28.88mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5149
BrandRS PRO
MYR36.49
1 Bag of 50
Bag(s)
14mm 24mm 5mm O-Ring Nitrile Rubber -30°C +90°C