This draft standard is based on European discussions in which the UK took an active part. Your
comments on this draft are welcome and will assist in the preparation of the consequent British
Standard. If no comments are received to the contrary, then the UK will approve this draft and
implement it as a British Standard.
AECMA PREN 4502-1998 history
2000AECMA PREN 4502-2000 Aerospace Series Washers, Flat, for Riveting, in Heat Resisting Steel FE-PA4901 (Multimet), Inch Based Series Edition P 1
1998AECMA PREN 4502-1998 Aerospace Series Washers, Flat, for Riveting, in Heat Resisting Steel FE-PA91HT (Multimet) Edition P 1