Table of Contents

1 Scope
2 Material and manufacture
3 Dimensions
4 Freedom from defects
5 Heat treatment
6 Hardness
7 Protective treatment
8 Closing and test for permanent set
9 Identification
Appendix - Material for phosphor bronze
           double coil spring washers

Abstract

Describes the materials, dimensions and finish of double coil spring washers for aircraft, suitable for use with bolts and nuts with BA, BSF or UNF threads.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	ACE/12
Supersedes	15/30303217 DC : 0