MIL-B-913/16
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, ANGULAR CONTACT, UNFLANGED, SEPARABLE AND STEPPED INNER RING, CORROSION RESISTANT STEEL, ABEC 5P (METRIC)
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, ANGULAR CONTACT, UNFLANGED, SEPARABLE AND STEPPED INNER RING, CORROSION RESISTANT STEEL, ABEC 5P (METRIC)