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 6650-00-185-8344
NSN 2925-00-964-7128
NSN 5930-01-568-4441
NSN 5855-01-555-3354
NSN 5895-01-171-0974
NSN 6130-01-655-4264
NSN 5895-01-220-4000
NSN 5835-01-232-2726
NSN 5945-00-827-0165
NSN 6620-01-196-0626
NSN 5835-00-993-0040
NSN 5950-00-658-5779