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.
quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items reference number differentiating characteristics, zzzy criticality code justification, barrel assembly end item identification