A single or multiple piece item without ball, plain or roller bearing(s). It is designed to meet various or specific conditions of mounting. For items with bearings, see bearing unit, ball; bearing unit, plain; and bearing unit, roller.
qq-a-601,aly 713.0 fed spec single material response overall material document and classification, nssn class submarine, main condenser overpressure trip mechanism end item identification, aluminum alloy 713.0 overall material