This O-ring has a 37.5 mm internal diameter and a 3.15 mm thick cord.
FKM is a high performance compound and is resistant to many high temperature chemicals. It is suitable for vacuum applications and resistant to oils, grease and fuels.
Pros:
- Good resistance to oils and solvents such as aliphatic, aromatic and halocarbons, acids, animal and vegetable oils
- Suitable for temperatures from -15 to 200°C (5 to 392°F)
- Good mechanical properties, resistant to compression set
- Conforms to DIN 3771, ISO 3601-1, JIS 240 P+G, SMS 1586, BS 1806/AS 568 A, BS 4518
Cons:
- Poor resistance to hot water and steam
- Unsuitable for polar solvents, certain esters and ethers, glycol based brake fluid
Specifications
Internal diameter (mm) : 37.5
Material : FKM (FPM)
Cord thickness (mm) : 3.15
Recommended for : Air,Carbon dioxide,Dilute acids and bases,Strong acids and bases,Oil,Fuel,Lubricant,Combustible gases
Color : Black
Max temperature (°C) : 200
Min temperature (°C) : -15
![FKM O-ring 37.5 x 3.15mm (OD 43.8mm) 80 Shore A [10 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_afcef5a4-7f93-43a8-835a-17d8e85676d7.webp)
![NBR O-ring 65 x 1.5mm (OD 68mm) 70 Shore A [20 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_57e21f7a-85f8-4458-9c87-3a955e2279b3.webp)
![FKM O-ring 8.6 x 2.4mm (OD 13.4mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_ed2a0ce6-a1e2-45f3-ad06-c64a0b42e4d1.webp)
![FKM O-ring 6.3 x 2.4mm (OD 11.1mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_9adb16ba-156b-4841-a8e2-78954f00b270.webp)
![FKM O-ring 9 x 2mm (OD 13mm) 80 Shore A [50 Pieces]](https://www.drillforgepro24.com/wp-content/uploads/2026/06/or.19a44f36_b8ebdc65-f23d-4782-885d-f34598cf3478.webp)
Reviews
There are no reviews yet.