A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The length must exceed 25 percent of the outside diameter or distance across peripheral flats. (when the length, outside diameter, and/or distance across peripheral flats are designated as a tolerance, the maximum dimension will be used to determine compliance.) it must have one or more internal steps (counterbores) and/or external steps on either or both bearing surfaces. Excludes spacer, optical element. See also washer, recessed and washer, shouldered and recessed.
NSN 5925-00-821-6552
NSN 5905-01-307-5705
NSN 5920-01-104-6198
NSN 6650-01-350-2515
NSN 6320-01-317-3663
NSN 5950-00-491-7377
NSN 6620-00-720-3278
NSN 5998-01-429-8118
NSN 6110-01-206-5162
NSN 5925-01-122-1524
NSN 6150-01-386-5781
NSN 6110-01-202-8896