No.
Stainless steel sheet
(JIS* SUS304)

car engine gasket.
U-Shaped Silicone Gasket: Applications and Advantages

Among the most common causes of oil seal failure are:
Regular maintenance and inspection of the 25x47x7 oil seal are also important in preserving its performance over time. By checking for signs of wear or damage and replacing the seal as needed, machine operators can ensure that the seal continues to provide reliable protection against oil leaks.

Nitrile Oil Seals - Nitrile oil seals, which is the commonly used term for acrylonitrile-butadiene rubber seals, is a very good general-purpose option due to the flexibility of use across a variety of components. The resistance is strong against fats, hot water, gasoline, mineral oils, grease and animal oils, making them the most often-used oil seals. They do not have a wide temperature range, making them a poor choice for machinery that can see extreme changes in temperature.
Have you found the right oil seal for your application? The next step is fitting the oil seal correctly, so that it remains undamaged.
Rotary Wheel Of Auto Parts
If you find a gap, measure it by sliding a feeler gauge under the ruler.