FAA-PMA
55110 is an FAA-PMA part held by Hartzell Engine Technologies LLC (PMA PQ1383CE) — approved as a replacement for 642622 on Continental Aerospace Technologies Inc.. LTSIO-520-AE1A | LTSIO-520-AE1B | LTSIO-520-AE2A | LTSIO-520-AE2B | LTSIO-520-AE3A | LTSIO-520-AE3B | LTSIO-520-AE4B | LTSIO-520-AE5B | LTSIO-520-AE6B | LTSIO-520-AE7B | TSIO-520-AE1B | TSIO-520-AE2B | TSIO-520-AE3B | TSIO-520-AE4B | TSIO-520-AE5B | TSIO-520-AE6B | TSIO-520-AE7B | TSIO-520-AE8B | TSIO-520-AE9B | TSIO-520-CE1B | TSIO-520-CE1F | TSIO-520-CE2B | TSIO-520-T1A | TSIO-520-T1B | TSIO-520-T1F | TSIO-520-T3B | TSIO-520-T4B | TSIO-520-T5B · Current, Sep 2025.
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.
55110 is cataloged as O-RING. It carries 7 NSN identities and cross-references to 40 related part numbers. FAA PMA approval is on file from Hartzell Engine Technologies LLC. The part appears on MCRL cross-reference data.
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00044, 00276-96, 0184-11, 07-858255, 0R4-11, 10424426, 104503, 106799, 108606, 113-7377, 118751, 1271771, 1281-3018, 1288, 136531, 13X696, 1407-67, 154-490, 154010, 158399PC68231, 16200, 16256, 16A6192, 179B20REVALINE4, 179DAPC24, 1820-23, 18631P11, 196B3-11, 1DJK55, 1K2027, 2040735, 20688REVAPCAN6227B11, 2100-3209495PC39, 2100-3269258REVAPC19, 2100-811706REVAPC19, 2100-811710REVGPC14, 2100-811715REVEPC12, 2100-811719REVCPC13, 2100-811724REVCPC11, 2100-811725REVFPC14
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