4710-12-178-0925

6635-99-257-6401 6635992576401 992576401 is an item with or without attaching cable designed to detect flaws, cracks and the like on surface or near surface metals. establishes a magnetic field through the probe coil and locates the resulting magnetic disturbance in the item under test. used in conjunction with detector, metal flaw, electronic. excludes prod, test.

3020-14-257-6401 3020142576401 142576401

3120-00-257-6401 3120002576401 002576401 is an item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. it is designed for applications involving moving (kinetic) loads. except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. the thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. see also washer, flat and spacer, sleeve.

6630-01-257-6401 6630012576401 012576401

4320-14-312-7684 4320143127684 143127684 is two or more different types of items having a common mounting or mounted on each other, which together form a portion of a centrifugal pump, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.