No other part numbers with same form, fit, and function found.
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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6645-01-564-7129
NSN 6610-00-261-8159
NSN 6240-00-299-5258
NSN 4140-00-249-5603
NSN 5920-01-089-6759
NSN 6220-01-462-2613
NSN 5930-00-691-2213
NSN 5895-01-158-5511
NSN 6645-01-518-1107
NSN 5855-00-763-2155
NSN 5996-00-276-5480
NSN 2925-01-157-9204