MIL-DTL-5015 of multi-contact circular connectors that were used by virtually every aircraft builder in the United States. Cannon's Type "AN" (Army-Navy) series set the standard for modern circular connectors procured under MIL-C-5015—now MIL-DTL-5015—military specifications. The military specification MIL-DTL-5015 was superseded by SAE-AS50151 in December 2009 pursuant to the general United States Department of Defense goal to reduce the number of military standards in favor of industry technical standards supported by Standards Developing Organizations (SDO) such as the ISO 9000 series for quality assurance and the SAE for technical specifications. MIL-DTL-5015 circular connectors are used primarily for their ease of engagement and
ISO 55000 for recommending competent assessors and training providers. ISO 55000 ISO 55000 is an international standard covering management of assets of any kind. Before it, a Publicly Available Specification (PAS 55) was published by the British Standards Institution in 2004 for physical assets. The ISO 55000 series of Asset Management standards was launched in January 2014. PAS 55 was originally produced in 2004 by a number of organisations under the leadership of the Institute of Asset Management. It then underwent a substantial revision with 50 participating organisations from 15 industry sectors in 10 countries. PAS 55:2008 (available in both English and