The 192900-0489 is a spare jam nut designed for the Trident Neptune connector system, specifically compatible with TN jam nut applications in the Ringlock series. This accessory features a shell size of 14 and is engineered to provide secure fastening and retention in connector assemblies. The product is supplied in bulk packaging containing 100 pieces, making it ideal for maintenance, repair, and replacement operations in production environments or field service applications where connector reliability is critical.