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# ISO - 2692

## Geometrical product specifications (GPS) — Geometrical tolerancing — Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)

active, Most Current
 Organization: ISO Publication Date: 1 June 2021 Status: active Page Count: 62 ICS Code (Mechanical engineering drawings): 01.100.20
##### scope:

This document defines the maximum material requirement (MMR), the least material requirement (LMR) and the reciprocity requirement (RPR). These requirements can only be applied to linear features of size of cylindrical type or two parallel opposite planes type.

These requirements are often used to control specific functions of workpieces where size and geometry are interdependent, for example to fulfil the functions "assembly of parts" (for MMR) or "minimum wall thickness" (for LMR). However, the MMR and LMR can also be used to fulfil other functional design requirements.

### Document History

2692
June 1, 2021
Geometrical product specifications (GPS) — Geometrical tolerancing — Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)
This document defines the maximum material requirement (MMR), the least material requirement (LMR) and the reciprocity requirement (RPR). These requirements can only be applied to linear features of...
December 15, 2014
Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)
This International Standard defines the maximum material requirement, the least material requirement and the reciprocity requirement. These requirements can only be applied to features of size....
December 15, 2006
Geometrical product specifications (GPS) Geometrical tolerancing Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)
This International Standard defines the maximum material requirement, the least material requirement and the reciprocity requirement, and specifies their applications. These requirements are used to...
October 1, 1992
Technical drawings - Geometrical tolerancing - Maximum material principle AMEDNTMENT 1: Last material requirement
A description is not available for this item.
December 15, 1988
Technical drawings - Geometrical tolerancing - Maximum material principle
A description is not available for this item.