Critical infrastructure guide
Critical Spare Parts
How lead time and service consequence shape spare-parts strategy.
Systems note: infrastructure classifications, standards and responsibilities vary by country and operator. Use current local requirements for real decisions.
Why this matters
How lead time and service consequence shape spare-parts strategy.
Core system ideas
A low-cost part with a year-long lead time can justify more attention than a costly item available locally.
Spares should be preserved, identified and periodically checked so they remain usable when needed.
Shared spares and repairable-component pools can reduce cost where logistics and compatibility are reliable.
What to review
Useful reviews usually combine service criticality, dependencies, condition, capacity, maintenance, alternate arrangements, restoration time and clear ownership rather than relying on one isolated metric.