McFarlane - Phenolic Flight Control Pulley with Ball Bearings | MCS378-3 Dual GA Plug Headset SEAT-KT-2: Standard seats use the

SEAT-KT-2:  Standard seats use the MCS1551-1 roller (approx

can be joined together to form a continuous length

When you complete this course satisfactorily

Compatibility: Helicopter audio and intercom systems using U-174/U plug

McFarlane - Phenolic Flight Control Pulley with Ball Bearings | MCS378-3 Dual GA Plug Headset SEAT-KT-2: Standard seats use theMcFarlane 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.