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 5905-01-595-9224
NSN 5895-00-057-7066
NSN 5895-00-153-2595
NSN 5920-00-012-2000
NSN 5965-01-390-1261
NSN 5998-00-269-5444
NSN 6320-01-029-4220
NSN 5910-00-022-5612
NSN 5935-00-361-2619
NSN 6650-01-399-6141
NSN 5990-01-434-7913
NSN 5999-01-065-7591