FAA-PMA
A PMA part is approved for the specific eligibility listed on its FAA record; whether it may go on a particular aircraft, engine or component is the installer's determination from that record and the eligibility list. A part-number match alone does not establish eligibility. Source: FAA DRS PMA database, refreshed weekly. Data, not advice.
7840 is cataloged as ELECTRON TUBE. It carries 7 NSN identities and cross-references to 15 related part numbers. The part appears on MCRL cross-reference data.
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0C265, 16281, 2270, 25945, 3800, 9100-0098, 9B6425, DB7840, GGS86, LN16281, MIL-PRF-1/1388, MILE1-1388, MILE1-1388-7840, P7840, S356
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