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 5960-01-420-2372
NSN 5950-00-436-0809
NSN 5990-01-206-3606
NSN 6685-01-660-9276
NSN 6135-01-035-1871
NSN 6130-01-467-7907
NSN 6110-00-947-6621
NSN 6130-01-272-3117
NSN 5945-01-431-5195
NSN 6620-01-432-7032
NSN 5999-00-846-6832
NSN 6150-01-159-4544