
Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.139 in
(3.53 mm)
0.421 in
(10.69 mm)

Detailed Description
NB65BK50-OR-205 is a Black, 65 Shore A, Sulfur Cured NBR (Nitrile, Buna-N) O-Ring. It is a 65 durometer NBR (Nitrile, Buna-N). NB65BK50-OR-205 is AS568 size -205 O-Ring also referred to as 3.53mm (Cross Sectional Diameter (CS)) x 10.69mm (Inside Diameter (ID)). Material: 65 Durometer NBR NB65BK50 O-Ring Size: AS568 -205, 3.53mm CS X 10.69mm ID (0.139" CS X 0.421" ID)

| Technical Specification | Value |
|---|---|
| Compound Number | NB65BK50 |
| Material | NBR (Nitrile, Buna-N) |
| Cure | Sulfur Cured |
| Color | Black |
| Durometer | 65 Shore A Hardness |
| High Temperature | 95 °C / 203 °F |
| Low Temperature | -55 °C / -67 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -205 |
| Cross Section (CS) | 3.53 mm / 0.139 in |
| Inside Diameter (ID) | 10.69 mm / 0.421 in |


