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.
t.o. 2j-t56-24, fig 18 ind 18; retainer assembly, bearing rear turbine,combustion chamber inner casing and front bearing support special features, feat criticality code justification, engine,acft,model t56a7a/a15 end item identification, round style designator