Dual Sourcing and Supply Risk
Dual sourcing qualifies a second supplier for critical parts so one failure does not stop production.
When to dual source
| Condition | Why |
|---|---|
| Line-stopping parts | Downtime cost is high |
| Single-origin materials | Trade and logistics risk |
| Long lead-time specials | Recovery time is long |
| Sole supplier with capacity limits | Capacity risk |
Governing standards: Supply risk management practice. Editions shown are the latest confirmed as of September 2026. The drawing and the governing standard always take precedence over this sheet.
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Dual sourcing and supply risk
What it is
AT A GLANCE
Dual sourcing qualifies a second supplier for critical parts so one failure does not stop production.
SOURCE A
YOU
SOURCE B
Two sources for critical parts
When to dual source
Condition
Why
Line-stopping parts
Downtime cost is high
Single-origin materials
Trade and logistics risk
Long lead-time specials
Recovery time is long
Sole supplier with capacity limits
Capacity risk
Governing standards: Supply risk management practice. Editions shown are the latest confirmed as of September 2026. The drawing and the governing standard always take
precedence over this sheet.
torquing any fastener. Verify the current governing standard, project documents, OEM requirements, size, thread, coating and lot certification. To the fullest extent permitted by law, The Fastener App disclaims liability
arising from reliance on this reference.
Fastener Guide reference FG-009AEF · thefastenerapp.com/fastener-guide/procurement/dual-sourcing-and-supply-risk · © The Fastener App. Reference only — verify the current governing standard, drawing and manufacturer data before specifying or installing.

























