NBR Parker N0951-75 O-Ring, Size: -019
Material: NBR Parker N0951-75 O-Ring
Size: AS568 -019 O-Ring
Part Number: N0951-75-OR-019
Parker Seal® (Parker)
N0951-75
NBR (Nitrile, Buna-N)
75
Shore A
High Temperature Material
Low Compression Set
General Purpose Material
Color: Black
Detailed Description
N0951-75-OR-019 is a Black, 75 Shore A, NBR (Nitrile, Buna-N) O-Ring made from Parker Seal® (Parker). Parker Seal® (Parker) N0951-75 is manufactured with the following features & specifications: High Temperature Material, Low Compression Set, General Purpose Material. N0951-75-OR-019 is AS568 size -019 O-Ring also referred to as 1.78mm (Cross Sectional Diameter (CS)) x 20.35mm (Inside Diameter (ID)).
Material: NBR Parker N0951-75 O-Ring
Size: AS568 -019, 1.78mm CS X 20.35mm ID (0.070" CS X 0.801" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | N0951-75 |
| Brand | Parker Seal® (Parker) |
| Material | NBR (Nitrile, Buna-N) |
| Color | Black |
| Durometer | 75 Shore A |
| High Temperature | 135 °C / 275 °F |
| Low Temperature | -32 °C / -26 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -019 |
| Cross Section (CS) | 1.78 mm / 0.070 in |
| Inside Diameter (ID) | 20.35 mm / 0.801 in |
Parker’s N0951-75 is a 75 Shore A black nitrile rubber (NBR) compound engineered for higher-temperature sealing applications that require low compression set and stable mechanical performance. Qualified to ASTM D2000 3CH815, it operates reliably across a service temperature range of -25°F to 275°F while maintaining dimensional stability and sealing force under sustained load. This compound is compatible with petroleum-based oils, water up to 212°F, salt and alkali solutions, and weak acids, making it suitable for hydraulic and industrial fluid-handling systems exposed to elevated temperatures. Its balanced hardness supports dependable sealing in static and moderate dynamic O-ring and gasket applications where standard nitrile materials may relax over time.
N0951-75 is commonly used for O-rings and gaskets in pumps, valves, compressors, and general industrial equipment where improved heat resistance and long-term compression set performance are required. It is not recommended for aromatic fuels, strong acids, glycols, ozone exposure, or polar solvents. This nitrile grade provides a practical solution when higher-temperature capability is needed without moving to more costly specialty elastomers. Canyon Components offers equivalent NBR materials designed to match the temperature capability, low compression set behavior, and performance profile of Parker N0951-75.
Common relevant keywords:
high temperature NBR seals, low compression set nitrile rubber, 75 Shore A NBR O-rings, ASTM D2000 nitrile compound, oil resistant industrial gaskets, hydraulic system nitrile seals, black nitrile elastomer O-rings, heat resistant NBR material, pump and valve sealing rubber, Parker N0951-75 equivalent, Datasheet, TDS, Test Report, MTR, MSDS, SDS