Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.197 in
(5.00 mm)
4.646 in
(118.00 mm)
FKM VT75BK50 X-Ring, Size: 5X118
Material: FKM VT75BK50 X-Ring
Size: Metric 5X118 X-Ring
Part Number: VT75BK50-XR-5X118
VT75BK50
FKM (Viton®)
75
Shore A
FKM Type XLT (Extreme Low Temp Viton®)
Ultra Low Temperature Material
Color: Black
Detailed Description
VT75BK50-XR-5X118 is a Black, 75 Shore A, FKM (Viton®) X-Ring, a FKM Type XLT (Extreme Low Temp Viton®) product. It is a 75 durometer FKM (Viton®). VT75BK50 is manufactured with the following features & specifications: Ultra Low Temperature Material, General Purpose Material. VT75BK50-XR-5X118 is Metric size 5X118 X-Ring also referred to as 5mm (Cross Sectional Diameter (CS)) x 118mm (Inside Diameter (ID)). Material: 75 Durometer FKM VT75BK50 X-Ring Size: Metric 5X118, 5mm CS X 118mm ID (0.197" CS X 4.646" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | VT75BK50 |
| Material | FKM (Viton®) |
| Subtype | FKM Type XLT (Extreme Low Temp Viton®) |
| Color | Black |
| Durometer | 75 Shore A Hardness |
| High Temperature | 225 °C / 437 °F |
| Low Temperature | -48 °C / -54 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | X-Ring |
| Size Standard | Metric |
| Size | 5X118 |
| Cross Section (CS) | 5.00 mm / 0.197 in |
| Inside Diameter (ID) | 118.00 mm / 4.646 in |
VT75BK50 is a black FKM Type XLT fluoroelastomer engineered for extreme low temperature sealing applications involving O-rings, gaskets, and custom molded elastomer components. This compound features a hardness of approximately 75 Shore A and is designed to maintain flexibility and sealing reliability where conventional fluorocarbon materials may become too stiff. FKM XLT materials are commonly selected for sealing systems that require both chemical resistance and extended low temperature performance.
VT75BK50 provides excellent resistance to fuels, oils, and a wide range of industrial chemicals while also offering strong resistance to weathering, ozone, and aging. The recommended service temperature range is -48°C to 225°C (-54°F to 437°F) with excursions down to approximately -60°C, supporting reliable sealing performance in demanding environments. This material meets AMS 7379 requirements and is often used for O-rings, gaskets, and sealing components in aerospace systems, chemical processing equipment, and other industrial applications that require low temperature FKM elastomer performance.
Keywords: Datasheet, TDS, Test Report, MTR, MSDS, SDS
