Specification for washers for aircraft purposes (primarily for use with timber) Ingestion-build-135476 of nominal thickness up to

of nominal thickness up to and including 900 µm to ensure that the necessary quality standards are achieved while manufacturing flexible PVC sheeting

This standard specifies the requirements for the draw gear and screw coupling for the end of rolling stock such as freight wagons

1 Documentation

Contents for BS EN 15221-7 includes:

Specification for washers for aircraft purposes (primarily for use with timber) Ingestion-build-135476 of nominal thickness up to1 Scope These British Standards apply to the materials, dimensions and finish of washers generally used with timber in aircraft. The washers are primarily for use with B. A. and B. S. F. bolts.