1933-70 Meets Your Needs

1. Exceeds the MIL-DTL-25988 Type 1,Class 1, Grade 70 Specification

Seals made from Datwyler’s 70-durometer fluorosilicone compound 1933-70 greatly exceed the tensile strength, elongation, and low temperature requirements of MIL-DTL-25988 (see test report on reverse side). Datwyler supplies seals to 28 military and aerospace specifications, and we supply Qualified Products List (QPL) rubber seals. Our quality system is certified to ISO 9001, ISO/TS 16949, AC7115, and AS9100. So when you specify 1933-70, rest assured that you’ve made the right choice.

2. Excellent Performance at Low Temperatures

Our 1933-70 seals can be used in static applications with continuous service temperatures as low as -90°F. The excellent low-temperature properties of 1933-70 seals enable them to resist cracking in low-temperature applications (see Figure 1).

3. Outstanding Resistance to  Compression Set

To perform properly, most seals must resist taking a set from compression after being installed. When a seal takes a set, it no longer exerts force on the mating surfaces, resulting in leakage. A compound with low compression set, like 1933-70, better maintains its elastomeric properties and original thickness, preserving seal integrity. After testing 1933-70 for 22 hours at 347°F, it had compression set of only nine percent.

Applications

Datwyler’s 70-durometer fluorosilicone compound 1933-70 is ideal for aircraft and automotive fuel seals. 1933-70 resists common aircraft fuels, oils, and lubricants (see chemical resistance chart on reverse side). 1933-70 was specifically tested in jet fuel and di-ester polyols. Seals made from 1933-70 are recommended for static applications and should not be used in high pressure dynamic applications.

9009-90 Meets Your Needs

1. Excellent Resistance to Compression Set

When installed, seals must resist taking a set from compression. When a seal takes a set, it no longer exerts force on the mating surfaces, resulting in leakage. A compound with low compression set, like our 90-durometer fluorocarbon compound 9009-90, better maintains its elastomeric properties and original thickness, preserving seal integrity. Seals made form Datwyler’s 9009-90 compound provide excellent resistance to compression set at higher temperatures. After testing 9009-90 for 22 hours at 392°F, it had a compression set of only 8 percent. 

2. Outstanding Resistance to Fuel

Datwyler’s 9009-90 seals offer outstanding performance in fuel, including gasoline and diesel. Exposure to such fluids can cause seals to swell significantly. Our 9009-90 seals had volume swell of only 1 percent after 70 hours at 73°F in Refence Fuel C.

3. Exceeds AMS 7259

Seals made from our 9009-90 compound exceed the requirements of Aerospace Material Specification (AMS) 7259. Datwyler supplies seals to 28 military and aerospace specifications. We are also one of only a few manufacturers approved to supply Qualified Products List (QPL) rubber seals. Our quality system is certified to ISO 9001, ISO/TS 16949, AC7115, and AS9100. So when you specify 9009-90, rest assured that you’ve made the right choice. 

4067-70 Meets Your Needs

1. Exceeds MIL-P-25732

Seals made from our 70-durometer nitrile compound 4067-70 exceed the requirements of MIL-P-25732. Datwyler supplies seals to 28 military and aerospace specifications. We are also one of only a few manufacturers approved to supply Qualified Products List (QPL) rubber seals. Our quality system is certified to ISO 9001, ISO/TS 16949, AC7115, and AS9100. So when you specify 4067-70, rest assured that you’ve made the right choice.

2. Excellent Resistance to Low Temperatures

Seals used in low temperatures may become hard and brittle, making them more susceptible to cracking. Datwyler’s 4067-70 seals can be used in static sealing applications with continuous service temperatures as low as -65°F. The American Society for Testing and Materials (ASTM) recommends the temperature retraction (TR-10) test to evaluate rubber for low-temperature service. Our laboratory technicians performed a TR-10 test on our 4067-70 material. After stretching O-rings made from our 4067-70 compound 50 percent in freezing temperatures, we gradually raised the temperature. The O-rings retracted 10 percent at low temperature of -53°F.

The temperature at which rubber retracts 10 percent approximates the material’s low service temperature in dynamic applications. The excellent low-temperature properties of 4067-70 seals enables them to resist cracking in lowtemperature applications (see Figure 1).

3. Exceptional Prices

Datwyler’s 4067-70 prices are among the lowest available. We use the latest manufacturing techniques and sell in huge volume. That allows us to provide you with seals for MIL-P-25732 at a great price.

Datwyler is committed to being the leading supplier of O-rings for AMS 7276. Seals made from our popular 75-durometer fluorocarbon 9266-75 have outstanding physical properties and are competively priced.

9266-75 Meets Your Needs

1. Exceeds AMS 7276

Datwyler O-rings made from our 75-durometer fluorocarbon compound 9266-75 exceed the requirements of AMS 7276. Our compound is also on the Department of Defense Qualified Products List (QPL). Datwyler supplies seals to 28 military and aerospace specifications. Our quality system is certified to ISO 9001, ISO/TS 16949, AC7115, and AS9100. So when you specify 9266-75, rest assured that you’ve made the right choice.

2. Excellent Resistance to Compression Set

To peform properly, most seals must resist taking a set from compression after being installed. When a seal takes a set, it no longer exerts force on the mating surfaces, resulting in leakage. A compound with low compression set, like 9266-75, better maintains its elastomeric properties and original thickness, preserving seal integrity. Seals made from Datwyler’s 9266-75 compound provide excellent resistance to compression set. After testing 9266-75 for 22 hours at 392°F, it had a compression set of only 3 percent.

3. Huge Inventory

We carry more than 2 million pieces of 9266-75. And we stock all 369 standard sizes. We’ve also made it easy to check stock 24 hours a day using our web site. If we receive your order before 2:30 p.m. Pacific time, you can receive your parts as soon as the next business day.

4457-65 Meets Your Needs

1. Exceeds AMS-P-5315

Seals made from our 65-durometer nitrile compound 4457-65 exceed the requirements of AMS-P-5315. Datwyler supplies seals to 28 military and aerospace specifications. We are also one of only a few manufacturers approved to supply Qualified Products List (QPL) rubber seals. Our quality system is certified to ISO 9001, ISO/TS 16949, AC7115, and AS9100. So when you specify 4457-65, rest assured that you’ve made the right choice.

2. Excellent Resistance to LowTemperatures

Seals used in low temperatures may become hard and brittle, making them more susceptible to cracking. Datwyler’s 4457-65 seals can be used in static sealing applications with continuous service temperatures as low as -65°F. The excellent lowtemperature properties of 4457-65 seals enable them to resist cracking in low-temperature applications.

Rubber Rod Guides

3. Outstanding Resistance to Compression Set

To perform properly, most seals must resist taking a set from compression after being installed. When a seal takes a set, it no longer exerts force on the mating surfaces, resulting in leakage. A compound with low compression set, like 4457-65, better maintains its elastomeric properties and original thickness, preserving seal integrity. After testing 4457-65 for 22 hours at 212°F, it had compression set of only 9 percent.

Applications

Datwyler’s 65-durometer nitrile compound 4457-65 is ideal for use in low temperatures. Seals made from 4457-65 can be used in dynamic sealing applications with continuous service temperatures as low as -59°F. 4457-65 offers excellent service with gasoline and military aircraft hydraulic fluid. Seals made from 4457-65 should not be exposed to automatic transmission fluid, hot air, or ultra violet light.