
Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.157 in
(4.00 mm)
2.677 in
(68.00 mm)

NBR NB90BK20 O-Ring, Size: 4X68
Material: NBR NB90BK20 O-Ring
Size: Metric 4X68 O-Ring
Part Number: NB90BK20-OR-4X68
NB90BK20
NBR (Nitrile, Buna-N)
90
Shore A
Low Temperature Material
Color: Black
Detailed Description
NB90BK20-OR-4X68 is a Black, 90 Shore A, NBR (Nitrile, Buna-N) O-Ring. It is a 90 durometer NBR (Nitrile, Buna-N). NB90BK20 is manufactured with the following features & specifications: Low Temperature Material. NB90BK20-OR-4X68 is Metric size 4X68 O-Ring also referred to as 4mm (Cross Sectional Diameter (CS)) x 68mm (Inside Diameter (ID)). Material: 90 Durometer NBR NB90BK20 O-Ring Size: Metric 4X68, 4mm CS X 68mm ID (0.157" CS X 2.677" ID)

| Technical Specification | Value |
|---|---|
| Compound Number | NB90BK20 |
| Material | NBR (Nitrile, Buna-N) |
| Color | Black |
| Durometer | 90 Shore A Hardness |
| High Temperature | 125 °C / 257 °F |
| Low Temperature | -50 °C / -58 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | Metric |
| Size | 4X68 |
| Cross Section (CS) | 4.00 mm / 0.157 in |
| Inside Diameter (ID) | 68.00 mm / 2.677 in |


