Image shown is representative and may differ from the actual product in size, proportions, and color shade
CS
0.139 in
(3.53 mm)
ID
4.734 in
(120.24 mm)
NBR NB50BK40 O-Ring, Size: -248
Material: NBR NB50BK40 O-Ring
Size: AS568 -248 O-Ring
Part Number: NB50BK40-OR-248
Color: Black
Detailed Description
NB50BK40-OR-248 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-248 is AS568 size -248 O-Ring also referred to as 3.53mm (Cross Sectional Diameter (CS)) x 120.24mm (Inside Diameter (ID)). Material: 50 Durometer NBR NB50BK40 O-Ring Size: AS568 -248, 3.53mm CS X 120.24mm ID (0.139" CS X 4.734" 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 | -248 |
| Cross Section (CS) | 3.53 mm / 0.139 in |
| Inside Diameter (ID) | 120.24 mm / 4.734 in |
| Other Specifications | |
UL 157 | |
UL Listed Material | |
