Specification for washers for aircraft purposes. (primarily for packing purposes) Ingestion-build-133579 or superior

or superior

These requirements supplement the general requirements in BS 7291‑1 which are also applicable

either in the raw state or in the form of vulcanized or unvulcanized mixes

BS EN 17199-1 provides a methodology that enables the quantification of dustiness in terms of health-related dustiness mass fractions

Petrochemical and allied industries

Specification for washers for aircraft purposes. (primarily for packing purposes) Ingestion-build-133579 or superior1 Scope These British Standards apply to the materials, dimensions and finish of washers generally used for packing purposes in aircraft. The washers are primarily for use with B. A. and B. S. F. bolts.