The 449-0054-001 is a shell assembly designated KJLC0-25N FIN B, part of the ITT Cannon KJ series 38E93 circular connector line. This component serves as the outer shell housing for circular connectors in the 38E93 Series I, II, and III variants. The assembly is RoHS compliant, meeting material restrictions for lead, cadmium, hexavalent chromium, mercury, polybromated biphenyl ether (PBB), and polybromide diphenyl ether (PBDE) according to directive 2011/65/EU, and is compatible with lead-free soldering processes. This shell assembly is commonly used in interconnect applications requiring reliable circular connector housings that meet environmental and regulatory compliance standards.