15 degrees angle between body inside diameter and counterbore
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 6150-01-302-6720
NSN 6685-01-522-3186
NSN 6645-01-633-1852
NSN 6645-01-338-1423
NSN 5960-01-599-9821
NSN 5930-00-566-9634
NSN 6135-00-112-8637
NSN 6145-01-422-4260
NSN 5930-00-528-9728
NSN 6240-00-185-8367
NSN 6320-01-092-4101
NSN 5950-01-466-9196