McFarlane - Phenolic Flight Control Pulley with Ball Bearings | MCS378-3 No Vermont MS28775-440 Nitrile 70 Aircraft Packing

MS28775-440 Nitrile 70  Aircraft Packing / O-Ring 5330-00-725-9798

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Once the differences are mastered

60-8265001thru 60-8365021 with Auto timer Lycoming IO-540-P

McFarlane - Phenolic Flight Control Pulley with Ball Bearings | MCS378-3 No Vermont MS28775-440 Nitrile 70 Aircraft PackingMcFarlane Phenolic Flight Control Pulley with Ball Bearings MCS378 3 MCS378 Series: Phenolic flight control pulleys with ball bearings. FAA PMA approved replacements for the Cessna S378, A BB , and NAS383 series pulleys on Cessna Aircraft. These pulleys feature high quality sealed precision ball bearings that are far superior to low grade, open seal bearings used in the cheapy Cessna S378 ()L light duty series pulleys that they replace.