一種可拆卸組件,軸頸、軸頸、樞軸或類似物可在其內或上移動。它用於承載載荷並減少滑動摩擦。它不使用滾動元件。此組件的外部構件經過改造,以提供軸桿。內部構件可以是滑動球面軸承或套筒軸承。不含:滑動球面軸承和自調心滑動軸承。
0.3594 inches nominal inspection hole center to end distance, coupling driven end part name assigned by controlling agency, screwjack assy (lear model 504ac); t-37b acft end item identification, 1.7080 inches minimum and 1.7280 inches maximum overall length, 1.2400 inches minimum and 1.2600 inches maximum bore center to shank end distance