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.
flat w/o aperture cross-sectional shape style, starter,engine,electrical,except aircraft fsc application data, 2.063 inches nominal length, 3 bolt circle hole quantity, 0.148 inches nominal overall thickness