Capacity, flow & constraints · Core
First-pass yield
Also called: FPY
ELI5
The proportion of output meeting requirements without rework.
Used in conversation
“The number is useful only if everyone calculates first-pass yield the same way.”
Pitch context
You will see “First-pass yield” in operating plans, procurement packs, supplier reviews and supply-chain reports when the discussion reaches capacity, flow & constraints.
Why it matters: In capacity, flow & constraints, the definition can change ownership, capacity, process, cost or safety decisions.
Sources & evidence · 3
Direct term-level sources and supporting source families.
- U.S. Bureau of Labor Statistics — Productivity programmeDirect source · primary · checked 2026-08-16
- U.S. Acquisition.gov — Federal Acquisition Regulation Part 15 — Contracting by NegotiationSupporting source family · primary · checked 2026-08-16
- UK Government — Groceries Supply Code of PracticeSupporting source family · primary · checked 2026-08-16