A comparatively flat rigid item, with or without a centrally located aperture, designed to hold an annular bearing or a sleeve bearing in a fitted inclosure. It must have drilled and/or tapped holes for mounting purposes. Excludes:end bell, electrical rotating equipment.
"dimensions 3/16" x 4 5/8" x 5"" special features, acft carrier cva 67; elevators cargo/weapons end item identification