MIL-B-81793/23
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, ANGULAR CONTACT, FLANGED, NON-SEPARABLE AND COUNTERBORED OUTER RING ON FLANGE SIDE, CORROSION RESISTANT STEEL, ABEC 5P
BEARING, BALL, ANNULAR, FOR INSTRUMENTS AND PRECISION ROTATING COMPONENTS, ANGULAR CONTACT, FLANGED, NON-SEPARABLE AND COUNTERBORED OUTER RING ON FLANGE SIDE, CORROSION RESISTANT STEEL, ABEC 5P