Image shown is representative and may differ from the actual product in size, proportions, and color shade
CS
0.275 in
(6.99 mm)
ID
7.475 in
(189.87 mm)
NBR NB50BK40 O-Ring, Size: -443
Material: NBR NB50BK40 O-Ring
Size: AS568 -443 O-Ring
Part Number: NB50BK40-OR-443
Color: Black
Detailed Description
NB50BK40-OR-443 is a Black, 50 Shore A, NBR (Nitrile, Buna-N) O-Ring. It is a 50 durometer NBR (Nitrile, Buna-N). NB50BK40 is manufactured with the following features & specifications: UL 157, UL Listed Material. NB50BK40-OR-443 is AS568 size -443 O-Ring also referred to as 6.99mm (Cross Sectional Diameter (CS)) x 189.87mm (Inside Diameter (ID)). Material: 50 Durometer NBR NB50BK40 O-Ring Size: AS568 -443, 6.99mm CS X 189.87mm ID (0.275" CS X 7.475" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | NB50BK40 |
| Material | NBR (Nitrile, Buna-N) |
| Color | Black |
| Durometer | 50 Shore A Hardness |
| High Temperature | 60 °C / 140 °F |
| Low Temperature | -40 °C / -40 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -443 |
| Cross Section (CS) | 6.99 mm / 0.275 in |
| Inside Diameter (ID) | 189.87 mm / 7.475 in |
| Other Specifications | |
UL 157 | |
UL Listed Material | |
