W/3 grooves, right side of wahser is stacked opposite grooves to from retaining projection
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.
Classification: Thrust ball bearings
NSN 5915-00-156-7222
NSN 6145-01-130-5416
NSN 6650-01-044-6377
NSN 5915-01-623-4502
NSN 5990-00-402-7721
NSN 5975-01-630-7530
NSN 5985-00-687-1046
NSN 5965-01-004-9404
NSN 5855-01-461-2741
NSN 6610-01-400-3880
NSN 5950-00-924-9993
NSN 5920-01-428-4412