Reference number
ISO 4156-3:2021
© ISO 2026
International Standard
ISO 4156-3:2021
Straight cylindrical involute splines — Metric module, side fit — Part 3: Inspection
Edition 2
2021-02

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Published (Edition 2, 2021)
This publication was last reviewed and confirmed in 2026. Therefore this version remains current.

ISO 4156-3:2021

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Abstract

This document provides data, guidance and requirements for the inspection of straight (non-helical) side fitting cylindrical involute splines.

Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined and tabulated. Linear dimensions are expressed in millimetres and angular dimensions in degrees.

General information

  • Status
     : Published
    Publication date
     : 2021-02
    Corrected version (en)
     : 2025-12
    Corrected version (fr)
     : 2025-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 46
  • Technical Committee :
    ISO/TC 14
    ICS :
    21.120.30 
  • RSS updates

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