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.
Classification: Other articles of iron or steel not wire nesoi
NSN 5999-01-126-3625
NSN 6105-01-198-7740
NSN 5945-01-517-8094
NSN 6610-01-349-6333
NSN 5895-01-538-9364
NSN 6645-01-152-1092
NSN 5935-00-933-4015
NSN 7035-00-205-8739
NSN 7035-00-225-6499
NSN 5920-00-087-4223
NSN 5925-01-359-1972
NSN 6145-01-130-1252