A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
Classification: Other articles of iron or steel not wire nesoi
NSN 5925-01-481-3442
NSN 5975-00-339-3313
NSN 6650-01-383-9835
NSN 5935-01-379-7756
NSN 6110-00-473-2101
NSN 6320-00-139-1090
NSN 5935-01-593-1791
NSN 5920-01-440-2492
NSN 7035-01-443-3052
NSN 5975-01-437-0962
NSN 4140-01-186-6453
NSN 7035-00-946-2642