TOPARTS MAM0000000864 (Old P/N OR-3612N) – NBR 70 Shore A O-Ring
The TOPARTS MAM0000000864 O-Ring is a high-quality black NBR (Nitrile Rubber) elastomeric sealing component designed for reliable static sealing applications in industrial equipment. Manufactured from NBR compound with a hardness of 70 ±5 Shore A, it provides a durable and dependable sealing solution for applications involving natural gas.
With a specified internal diameter of 489.4 mm and a cross-section of approximately 3.3 mm, this O-Ring is suitable for large-diameter sealing applications where consistent sealing performance and dimensional stability are required.
Item Attributes
| Material | NBR (Nitrile / Buna-N) |
| Color | Black |
| Application | Static Sealing |
| Type | O-Ring |
| Hardness | 70 ± 5 Shore A |
| Outer Diameter | 492.9 mm |
| Inner Diameter (ID) | 489.4 mm |
