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FAA PMA replacements for

AT4220A6

3 approvals from 3 holders

See the OEM part record for AT4220A6 →

Approved PMA parts

PMA part numberHolderStatusSupplementPart name
AT4220A6ADS/TranscoilCurrent2006-09-28Digital Clock
AT4220A6Astrotech CorpCurrent1996-04-18Digital Clock
AT4220A6Allard Industries Inc, Aerospace Display SysCurrent1992-12-31Digital Clock
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