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Content
China ...................................................................................................... 97
Overview - ISO 4406 / SAE AS 4059 and NAS 1638 classes ................... 98
ISO 4406:1999 ....................................................................................... 98
ISO 4406 table ....................................................................................... 98
Overview of the differences between ISO 4406:1987 and ISO
4406:1999 .............................................................................................. 99
SAE AS 4059 ........................................................................................... 100
SAE AS 4059 table ............................................................................... 100
Cleanliness codes according to SAE .................................................... 101
Absolute particle count larger than a defined particle size ................ 101
Specifying a cleanliness code for each particle size ......................... 101
Specifying the highest cleanliness code measured ........................... 101
NAS 1638 ................................................................................................ 102
Factory default settings............................................................................ 103
Glossary .................................................................................................. 104
Index ........................................................................................................ 106
FCU 8111 /-Aviation
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BEWA FCU8111 3690427a en-us 2017-01-23.doc
2017-01-23