NS EN 3746 : 2ED 2007

Foreword
1 Scope
2 Normative references
3 Application
  3.1 Typical use
  3.2 Temperature range
4 Required characteristics
  4.1 Configuration - Dimensions - Tolerances - Masses
      4.1.1 Configuration code A
      4.1.2 Configuration code B
      4.1.3 Configuration code C
      4.1.4 Configuration code D
      4.1.5 Configuration code E
  4.2 Material
5 Surface imperfections
6 Designation
7 Marking
8 Technical specification

Describes the characteristics of O-rings in fluorosilicone rubber (FVMQ), hardness 80 IRHD for aerospace applications.