scope:

This publication sets forth requirements for conformal coating and staking in PWB's and electronic assemblies.

Applicability. This publication to NASA programs involving conformal coating and staking on printing wiring boards (PWB's) and electronic assemblies for aircraft, spacecraft, launch vehicles, mission essential support equipment and elements thereof, and where invoked contractually in procurements. Appendix A contains definitions of terminology used in this publication. Appendix B contains visual aids applicable to the processes discussed in this publication. Appendix C discusses conformal coating problems, and Appendix D furnishes a general comparison of coating materials and processes.