Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
    3.1 cylinder
    3.2 effective differ
    3.3 movable detainer
    3.4 plug
    3.5 step
4 Requirements
    4.1 Category of use
    4.2 Test cycles - Durability
    4.3 Door mass
    4.4 Fire resistance
    4.5 Safety
    4.6 Corrosion resistance
    4.7 Security
5 Test methods
    5.1 General
    5.2 Durability tests
    5.3 Door mass
    5.4 Fire resistance
    5.5 Safety
    5.6 Corrosion resistance
    5.7 Security
6 Classification
    6.1 Category of use (1st digit)
    6.2 Test cycles - Durability (2nd digit)
    6.3 Door mass (3rd digit)
    6.4 Fire resistance (4th digit)
    6.5 Safety (5th digit)
    6.6 Corrosion resistance (6th digit)
    6.7 Security (7th digit)
7 Marking
Annex A (normative) Cylinders for use on fire/smoke
resistant doors
Annex B (normative) Corrosion resistance
Annex C (normative) Test apparatus illustrations
Annex D (informative) Bibliography
Annex E (informative) Test sequence