
Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.331 in
(8.40 mm)
11.791 in
(299.50 mm)

NBR NB40BK50 O-Ring, Size: P-300
Material: NBR NB40BK50 O-Ring
Size: JIS P-300 O-Ring
Part Number: NB40BK50-OR-8.4X299.5
Color: Black
Detailed Description
NB40BK50-OR-8.4X299.5 is a Black, 40 Shore A, NBR (Nitrile, Buna-N) O-Ring. It is a 40 durometer NBR (Nitrile, Buna-N). NB40BK50-OR-8.4X299.5 is JIS size P-300 O-Ring also referred to as 8.4mm (Cross Sectional Diameter (CS)) x 299.5mm (Inside Diameter (ID)). Material: 40 Durometer NBR NB40BK50 O-Ring Size: JIS P-300, 8.4mm CS X 299.5mm ID (0.331" CS X 11.791" ID)

| Technical Specification | Value |
|---|---|
| Compound Number | NB40BK50 |
| Material | NBR (Nitrile, Buna-N) |
| Color | Black |
| Durometer | 40 Shore A Hardness |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | JIS |
| Size | P-300 |
| Cross Section (CS) | 8.40 mm / 0.331 in |
| Inside Diameter (ID) | 299.50 mm / 11.791 in |


