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 6650-01-170-1287
NSN 5920-01-442-8998
NSN 5950-00-827-6462
NSN 5905-01-339-2670
NSN 5965-00-006-3104
NSN 5920-01-066-6926
NSN 5999-01-592-9190
NSN 2925-01-544-4880
NSN 6320-01-029-4220
NSN 6150-01-248-5822
NSN 5855-01-184-8089
NSN 5960-01-560-8461