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 6130-01-024-9557
NSN 6130-00-162-2105
NSN 6685-01-087-8560
NSN 5999-01-475-9849
NSN 5985-00-713-0581
NSN 5935-00-351-9775
NSN 5950-01-648-6384
NSN 5835-01-059-5535
NSN 6220-01-487-7079
NSN 6135-01-282-4326
NSN 5965-01-085-6158
NSN 5960-01-380-0885