scope:

GENERAL

(a) This publication covers the recommended minimum performance, mechanical specifications and the recommended testing and qualification procedures for aviation jet fuel microfilters of four nominal ratings within the range 1,0 - 5,0 μm.

(b) The fuel additives included in this specification are for testing purposes only, and their inclusion does not constitute acceptance or rejection of their use in jet fuels.

(c) This publication uses the Systeme International d'Unites (International System of Units or S.I.). In this system, the decimal point is a comma (,). In writing numbers greater than 3 digits, e.g. thousands, tens of thousands etc. a comma may not be used to demarcate the thousands. Thousands are demarcated by the use of a space. Where necessary, alternative units in common use are given in parentheses. Annex A lists the unit conversion factors used in this specification.