Evaluating the Change: Form, Fit and Function (FFF)

Form, Fit and Function rules specify how much new revisions of a part can deviate from the original before new part numbers are created. This is key in ensuring components can be substituted without issue.

Obsolescence & End-Of-LifeForm-Fit-Function Replacement – Cemtrol

Definitive Guide to Change Management for Medical Devices

Is Form-Fit-Function (FFF) Doomed?

HESS - Uncertainties and their interaction in flood hazard

FFF (Form, Fit, Function). Revisions and Interchangeability

The Feature Engineering Guide

Multi-objective optimization and prediction of surface roughness and printing time in FFF printed ABS polymer

Learning Design: Is Form, Fit, Function (FFF) Applicable In The

Definitive Guide to Change Management for Medical Devices

Theta function - Wikipedia

Form Fit and Function models

LLM Tech and a Lot More: Version 13.3 of Wolfram Language and Mathematica—Stephen Wolfram Writings

Is Form-Fit-Function (FFF) Doomed?

Definitive Guide to Change Management for Medical Devices

Frontiers Conceptualising Four Categories of Behaviours