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. 196-5061
BrandRS PRO
MYR14.67
1 Bag of 20
Bag(s)
57mm 63mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5494
BrandRS PRO
MYR16.20
1 Bag of 50
Bag(s)
22mm 25mm 1.5mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 196-5952
BrandRS PRO
MYR94.65
1 Bag of 50
Bag(s)
17.86mm 23.1mm 2.62mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5129
BrandRS PRO
MYR39.17
1 Bag of 20
Bag(s)
52mm 60mm 4mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 900-3152
Mfr. Part No.8112604
BrandAltech
MYR0.882
Each (In a Pack of 100)
units
12.5mm - 1.5mm O-Ring Buna-N -25°C +100°C
RS Stock No. 689-805
BrandRS PRO
MYR89.56
1 Bag of 50
Bag(s)
1 5/16in 1 9/16in 1/8in O-Ring Seal Nitrile Rubber -30°C +120°C
RS Stock No. 196-6041
BrandRS PRO
MYR32.55
Each
units
145.64mm 152.7mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5915
BrandRS PRO
MYR45.58
1 Bag of 50
Bag(s)
7.94mm 11.5mm 1.78mm O-Ring FKM -15°C +200°C
RS Stock No. 196-6034
BrandRS PRO
MYR76.24
1 Bag of 5
Bag(s)
101.19mm 108.25mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-6025
BrandRS PRO
MYR54.36
1 Bag of 5
Bag(s)
75.79mm 82.85mm 3.53mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5924
BrandRS PRO
MYR63.59
1 Bag of 50
Bag(s)
18.77mm 22.33mm 1.78mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5856
BrandRS PRO
MYR49.56
1 Bag of 5
Bag(s)
64mm 70mm 3mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 204-0979
Mfr. Part No.118366
MYR33.33
1 Bag of 10
Bag(s)
18.3mm 25.5mm 3.6mm O-Ring Fluorocarbon Elastomer -25°C +200°C
RS Stock No. 196-5200
BrandRS PRO
MYR86.91
1 Bag of 50
Bag(s)
40mm 52mm 6mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 204-0961
Mfr. Part No.113600
MYR5.69
1 Bag of 10
Bag(s)
13.6mm 19mm 2.7mm O-Ring Nitrile Rubber -30°C +100°C
RS Stock No. 196-5973
BrandRS PRO
MYR53.03
1 Bag of 10
Bag(s)
53.64mm 58.88mm 2.62mm O-Ring FKM -15°C +200°C
RS Stock No. 196-5378
BrandRS PRO
MYR15.47
1 Bag of 50
Bag(s)
1.15mm 3.15mm 1mm O-Ring Nitrile Rubber -30°C +90°C
RS Stock No. 527-9813
BrandRS PRO
MYR73.50
1 Bag of 50
Bag(s)
9.19mm 9/16in 2.62mm O-Ring Seal Silicone -60°C +200°C
RS Stock No. 204-0925
Mfr. Part No.105508
MYR21.22
1 Bag of 50
Bag(s)
5.7mm 9.5mm 1.9mm O-Ring Nitrile Rubber -30°C +100°C
RS Stock No. 128-962
BrandRS PRO
MYR42.98
1 Bag of 50
Bag(s)
32.5mm 38.5mm 3mm O-Ring Seal Nitrile Rubber -30°C +120°C