Identify long-lead and single-source items
Parts with few suppliers can create disproportionate service risk.
Track support horizons
Manufacturer support, software compatibility and replacement availability can change the renewal strategy.
Avoid uncontrolled stockpiles
Critical spares should be managed with condition, shelf life and actual demand in mind.
Plan technology migration
Obsolescence can justify staged modernization instead of repeated emergency substitutions.
Scope. This page explains asset-management concepts, not operating procedures for critical infrastructure. Inspection methods, intervention thresholds and safety decisions must follow the asset owner’s standards, local rules and qualified professional judgement.